Macbeth by William Shakespeare : 5-Minute Cram Summary

Macbeth — 5-Minute Cram Guide | Last Night Study
Macbeth
by William Shakespeare  ·  c. 1606  ·  Last-night cram guide
Tragedy Grades 9–12 5 Acts Scotland · 11th century
1 · Quick Overview
Author
William Shakespeare
Written
c. 1606
Setting
Scotland & England · 11th century
Form
5-Act Tragic Play
Genre
Shakespearean Tragedy
Grade Level
Grades 9–12
Key Symbol
Blood & the dagger
Central Theme
Unchecked ambition destroys
2 · Characters
Macbeth's side
Forces of order / Duncan's side
Supernatural
Macbeth
Protagonist · Tragic Hero
A brave and loyal Scottish general who murders King Duncan after the witches' prophecy awakens his ambition. Becomes king but descends into paranoia and tyranny. His tragic flaw is unchecked ambition combined with a weak will that allows Lady Macbeth to push him past his own moral limits.
Lady Macbeth
Macbeth's wife · Co-conspirator
Ruthlessly ambitious. When she reads Macbeth's letter about the witches' prophecy, she immediately plans Duncan's murder. She calls on spirits to "unsex" her and remove her natural feelings of guilt. Initially stronger than Macbeth, she eventually cracks under guilt and sleepwalks, obsessively trying to wash imaginary blood from her hands before dying by suicide.
King Duncan
King of Scotland · Victim
A good, gracious, and trusting king who honors Macbeth for his bravery in battle. His very goodness makes his murder more terrible. He is killed in his sleep at Macbeth's castle — a violation of sacred hospitality and loyalty.
Malcolm
Duncan's son · Rightful heir
Duncan's eldest son who flees to England after his father's murder. He raises an army with English support and leads the forces that eventually defeat and kill Macbeth. Becomes the rightful King of Scotland at the end of the play.
Banquo
Macbeth's fellow general · Foil
Also receives a prophecy from the witches — that he will not be king himself but his descendants will be. Unlike Macbeth, Banquo is suspicious of the witches and does not act on ambition. Macbeth has him murdered. His ghost appears at Macbeth's banquet, visible only to Macbeth, driving him to public breakdown.
Macduff
Scottish nobleman · Avenger
Suspects Macbeth from the start. Flees to England to join Malcolm's army. Macbeth retaliates by having Macduff's wife and children massacred. Macduff kills Macbeth in the final battle — fulfilling the witches' prophecy that "no man of woman born" can harm Macbeth, because Macduff was born by Caesarean section.
Ross / Lennox
Scottish noblemen
Scottish nobles who serve as messengers and observers throughout the play. Ross delivers the news of Macduff's family's murder. Their shifting loyalties reflect the instability of Macbeth's Scotland — eventually they side with Malcolm.
The Three Witches (Weird Sisters)
Supernatural · Prophets
Open the play on a blasted heath. Prophesy that Macbeth will become Thane of Cawdor and then King, and that Banquo's descendants will be kings. Their prophecies are true but misleading — they tell half-truths that lead Macbeth to false confidence. Represent the dangerous temptation of fate and the corruption of ambition.
Hecate
Goddess of witchcraft
Appears briefly to scold the witches for dealing with Macbeth without her and to oversee the second set of prophecies. Her role establishes that the witches operate within a larger supernatural order — their prophecies are designed to destroy Macbeth through false confidence.
3 · Core Themes
1
Unchecked ambition leads to destruction
Macbeth's "vaulting ambition" is the engine of the entire tragedy. He knows murdering Duncan is wrong — he says so himself — but ambition overrides conscience. Each crime leads to another to cover it up. By the end, he has lost everything: his wife, his allies, his honor, and his life. Exam tip: Macbeth is aware of his own moral failure throughout — this is what makes him a tragic hero, not just a villain.
2
Appearance vs. reality — "Fair is foul, and foul is fair"
The witches' opening line sets the theme: nothing is what it seems. Macbeth appears loyal to Duncan but plans his murder. Lady Macbeth appears a gracious hostess while plotting to kill her guest. The witches' prophecies appear to be promises but are traps. Exam tip: Track every moment where a character's outward appearance hides inner truth.
3
Guilt and psychological consequences
After Duncan's murder, both Macbeth and Lady Macbeth are consumed by guilt. Macbeth hallucinates a dagger before the murder and sees Banquo's ghost afterward. Lady Macbeth sleepwalks, rubbing her hands trying to wash away imaginary blood. Shakespeare shows that guilt cannot be suppressed — it destroys the mind from within.
4
The corrupting nature of power
Macbeth begins the play as an honorable hero. Once he murders to gain power, each subsequent act of violence becomes easier. He orders the murder of Banquo, then of Macduff's innocent family, without the same agonizing doubt he felt before killing Duncan. Power has steadily eroded his humanity. Exam tip: Compare early Macbeth to late Macbeth — the contrast shows corruption's progress.
5
Fate, free will, and the danger of prophecy
The witches prophesy but do not cause — Macbeth chooses to act. He could have waited to see if fate brought him the crown without murder. Instead, his ambition makes him seize what was perhaps already coming. The witches' second set of prophecies lulls him into false security. Shakespeare asks: did fate make Macbeth, or did Macbeth make his own fate?
4 · Plot Summary
Act I — The prophecy and the plan
Act I, Sc. 1–3The witches · Macbeth's first prophecy

The play opens on a blasted heath in Scotland during a battle. Three witches — the Weird Sisters — meet and agree to find Macbeth. Meanwhile, reports reach King Duncan that his general Macbeth has fought brilliantly, crushing a rebellion and defeating an invading Norwegian army. Duncan rewards Macbeth by naming him the new Thane of Cawdor — the previous holder having been convicted of treason.

Macbeth and his fellow general Banquo encounter the three witches on the heath. The witches greet Macbeth with three titles: Thane of Glamis (his current title), Thane of Cawdor (just awarded — he doesn't know yet), and "King hereafter." To Banquo they say he will be "lesser than Macbeth, and greater" — he will not be king himself but his descendants will be kings.

The witches vanish. Messengers arrive to inform Macbeth he has indeed been made Thane of Cawdor. Two prophecies already true — Macbeth is shaken. He begins thinking about the third.

Act I, Sc. 4–7Duncan visits · Lady Macbeth's plan

King Duncan announces that his son Malcolm will be his heir — the Prince of Cumberland. This is a disappointment to Macbeth's ambition, since it means the crown will not simply fall to the next most powerful man. Macbeth writes to his wife, telling her everything about the witches' prophecy.

Lady Macbeth reads the letter and immediately decides Duncan must be murdered. She fears her husband is "too full o' the milk of human kindness" to do what is necessary. She calls on supernatural forces to strip her of feminine softness and fill her with cruelty. When Macbeth arrives, she tells him Duncan must die that night — he is coming to stay at their castle.

Duncan arrives at Macbeth's castle at Inverness, warmly welcomed. That evening, alone, Macbeth agonizes. He knows the murder is wrong — Duncan is his king, his kinsman, and his guest. He decides against it and tells Lady Macbeth he will not proceed. She attacks his manhood and courage relentlessly until he agrees. The plan: get Duncan's guards drunk, kill Duncan in his sleep, and blame the guards.

"I have no spur / To prick the sides of my intent, but only / Vaulting ambition, which o'erleaps itself / And falls on the other."
— William Shakespeare, Macbeth (c. 1606), Act I, Scene 7. Macbeth acknowledges ambition as his only motive.
Act II — The murder of Duncan
Act II, Sc. 1–2The dagger · Duncan's murder

Late at night, Macbeth walks toward Duncan's chamber. He hallucinates a floating dagger, its handle pointing toward him and its blade dripping blood — leading him to Duncan's room. He questions whether it is real or a vision produced by his "heat-oppressed brain." He follows it.

Lady Macbeth has drugged the guards. Macbeth enters Duncan's chamber and murders him with the guards' daggers while they sleep. He returns shaking, still holding the daggers. He hears a voice cry "Sleep no more! Macbeth does murder sleep." He is unable to say "Amen" when he tried to pray — his ability to connect with God is already gone.

Lady Macbeth, seeing he has brought the daggers away, takes them back herself and smears the sleeping guards with Duncan's blood to frame them. A loud knocking begins at the gate. Macbeth stares at his bloody hands: "Will all great Neptune's ocean wash this blood clean from my hand?"

Act II, Sc. 3–4Discovery · Malcolm and Donalbain flee

In the morning, Macduff arrives to wake the king and discovers the body. Macbeth, "in his fury," kills the two guards before they can be questioned — claiming he acted out of grief and rage. Macduff is immediately suspicious. Malcolm and Donalbain, Duncan's two sons, fear they will be murdered next and flee — Malcolm to England, Donalbain to Ireland. Their flight makes them appear guilty and gives Macbeth a convenient excuse to take the crown.

Macbeth is crowned King of Scotland. But suspicion lingers. Macduff refuses to attend the coronation.

Act III — Banquo's murder · The ghost
Act III, Sc. 1–4Banquo murdered · The ghost at the banquet

Now king, Macbeth feels threatened by Banquo — the witches said Banquo's descendants, not Macbeth's, would be kings. Macbeth hires two murderers to kill Banquo and his son Fleance on the road. Banquo is killed, but Fleance escapes into the darkness. The prophecy about Banquo's line remains alive.

That night, Macbeth hosts a royal banquet. A murderer reports Banquo's death to Macbeth at the door. When Macbeth turns to take his seat at the table, he finds Banquo's ghost sitting in his chair — visible only to him. Macbeth shouts at the ghost in terror, to the confusion of his guests. Lady Macbeth tries to cover, telling the guests her husband has had these fits since childhood. But Macbeth's behavior is increasingly erratic and frightening. The banquet ends in disorder.

"Blood will have blood."
— William Shakespeare, Macbeth (c. 1606), Act III, Scene 4. Macbeth accepts that violence breeds more violence.

The lords are alarmed. Macbeth learns that Macduff has refused to come to court and has gone to England. He resolves to visit the witches again for more prophecies.

Act IV — New prophecies · Macduff's family murdered
Act IV, Sc. 1The witches' second prophecies

Macbeth visits the witches and demands to know his future. They conjure three apparitions with prophecies:

First apparition (an armed head): "Beware Macduff." Second apparition (a bloody child): "No man of woman born shall harm Macbeth." Third apparition (a crowned child holding a tree): Macbeth shall never be defeated "until Great Birnam Wood to high Dunsinane Hill shall come against him."

Macbeth feels reassured — no man of woman born can kill him, and forests don't move. He asks one more question: will Banquo's descendants ever reign? The witches show him a vision of eight kings descended from Banquo. Macbeth is furious. He immediately resolves to have Macduff's castle seized and his family killed.

Act IV, Sc. 2–3Lady Macduff and children murdered · Malcolm tested

Murderers attack Macduff's castle. Lady Macduff and her young son are killed. The scene is one of the most brutal in the play — an innocent woman and child murdered purely as an act of Macbeth's revenge and terror.

In England, Macduff meets Malcolm and urges him to raise an army and take back Scotland. Malcolm tests Macduff's loyalty by pretending to be worse than Macbeth — claiming he is lustful, greedy, and without virtue. Macduff passes the test by refusing to defend a truly corrupt king. Malcolm reveals he was testing him and reveals the English king has already promised ten thousand troops.

Ross arrives with the devastating news: Macduff's entire family has been slaughtered. Macduff weeps. Malcolm urges him to convert his grief into revenge. Macduff vows to face Macbeth personally.

Act V — Collapse and death
Act V, Sc. 1Lady Macbeth's sleepwalking

Lady Macbeth has completely broken down. Her gentlewoman and a doctor watch as she sleepwalks, rubbing her hands in a washing motion she cannot stop. She speaks fragments from the night of the murders — "Out, damned spot! Out, I say!" — reliving Duncan's murder, Banquo's death, and the slaughter of Lady Macduff. The doctor concludes her disease is beyond medicine: "More needs she the divine than the physician." Soon after, she dies — the cause implied to be suicide.

"Out, damned spot! out, I say! — One; two: why, then 'tis time to do't. — Hell is murky."
— William Shakespeare, Macbeth (c. 1606), Act V, Scene 1. Lady Macbeth in her sleepwalking scene.
Act V, Sc. 2–8Birnam Wood moves · Macbeth's death

Malcolm's army marches on Dunsinane. At Birnam Wood, Malcolm orders every soldier to cut a branch and carry it as camouflage — the forest appears to move. A messenger reports to Macbeth that the forest is advancing. The first prophecy has come true in a way Macbeth never imagined.

Macbeth hears that Lady Macbeth is dead. He delivers one of Shakespeare's most famous soliloquies — "Tomorrow, and tomorrow, and tomorrow" — expressing nihilistic despair: life is meaningless, a brief candle, "a tale told by an idiot, full of sound and fury, signifying nothing."

In battle, Macbeth fights fiercely, clinging to the prophecy that no man of woman born can kill him. He encounters Macduff. Macduff reveals he was "from his mother's womb untimely ripped" — born by Caesarean section, not "of woman born" in the natural sense. The final prophecy has its true meaning. Macbeth, now without the witches' protection, fights on defiantly but is killed by Macduff.

Macduff enters with Macbeth's severed head. Malcolm is proclaimed the rightful King of Scotland. Order is restored. The play ends.

"Tomorrow, and tomorrow, and tomorrow, / Creeps in this petty pace from day to day, / To the last syllable of recorded time."
— William Shakespeare, Macbeth (c. 1606), Act V, Scene 5. Macbeth upon hearing of Lady Macbeth's death.
5 · Cram Quiz
Read straight through — all answers are visible. Read once, close the page, walk into the exam.
Q1. What are the three witches' prophecies and how do they each come true?
A. Act I prophecies: (1) Macbeth will be Thane of Cawdor — true immediately; (2) Macbeth will be king — true after he murders Duncan; (3) Banquo's descendants will be kings — implied true since Fleance escapes. Act IV prophecies: (1) Beware Macduff — true, Macduff kills him; (2) No man of woman born can harm Macbeth — Macduff was born by Caesarean section; (3) Safe until Birnam Wood moves to Dunsinane — Malcolm's soldiers carry branches from Birnam Wood. All prophecies come true but in ways Macbeth never anticipated. The witches mislead through half-truths.
Q2. What is Macbeth's tragic flaw? How does it lead to his downfall?
A. Macbeth's tragic flaw is unchecked ambition — he himself calls it "vaulting ambition." He knows murdering Duncan is morally wrong and says so clearly in Act I. But his desire for the crown overrides his conscience. Each crime (Duncan's murder, Banquo's murder, Lady Macduff's massacre) leads to another, as he tries to secure a power he can never feel secure in. By Act V he is isolated, despised, and has lost everything. His flaw is not that he lacks conscience — it is that he refuses to listen to it.
Q3. How does Lady Macbeth change from Act I to Act V?
A. In Act I, Lady Macbeth is the stronger of the two — she calls on spirits to make her ruthless, she designs the murder plan, and she steadies Macbeth when he wavers. She seems to feel no guilt. By Act V, she has completely collapsed — sleepwalking, reliving the murders, obsessively trying to wash blood from her hands that only she can see. She dies, implied by suicide. The guilt she suppressed destroys her from within. Her arc is the inverse of Macbeth's: she starts cold and ends broken; he starts conscience-stricken and ends numb.
Q4. What is the significance of the blood imagery throughout the play?
A. Blood appears constantly as a symbol of guilt and the irreversibility of murder. After killing Duncan, Macbeth asks if all of Neptune's ocean could wash his hands clean. Lady Macbeth says "a little water clears us of this deed" — but by Act V she cannot wash imaginary blood from her hands. Macbeth says "blood will have blood" — violence breeds more violence. Blood also represents the violated natural order: a king's blood is sacred. Every mention of blood deepens the sense that the Macbeths' guilt can never be erased.
Q5. How does Banquo function as a foil to Macbeth?
A. Both Macbeth and Banquo receive prophecies from the witches. Banquo is immediately suspicious — he warns that the witches may "win us with honest trifles, to betray's in deepest consequence." He does not act on his prophecy. Macbeth, by contrast, immediately begins plotting. Banquo's restraint shows that the witches' prophecy did not force Macbeth's hand — he chose to murder. Banquo represents the road not taken: a man who receives tempting prophecy and resists it. Macbeth has him killed precisely because Banquo's integrity exposes his own guilt.
Q6. What does "Fair is foul, and foul is fair" mean, and where does it appear in the play?
A. This is the witches' opening line (Act I, Scene 1) and the play's central theme statement: appearances are deceptive, good and evil are inverted. It recurs when Macbeth's first words echo it unknowingly: "So foul and fair a day I have not seen" (Act I, Scene 3) — he has no idea he has just echoed the witches. The theme runs through every scene: Macbeth appears loyal but is planning murder; Lady Macbeth appears a gracious hostess while plotting to kill her guest; the witches' prophecies appear to be promises but are traps designed to destroy him.
Q7. Why does Macbeth kill the guards immediately after Duncan's murder? What does this reveal?
A. Macbeth claims he killed the guards in a passionate rage of grief at seeing Duncan dead. But the real reason is to prevent them from being questioned and potentially clearing themselves — they were drugged and unconscious during the murder and could not have done it. By killing them he silences potential witnesses. Macduff immediately sees through the excuse and is suspicious. This act reveals that Macbeth is already thinking like a calculating murderer, not a grieving subject — and that each crime immediately requires another crime to cover it up.
Q8. Essay question: To what extent is Macbeth responsible for his own downfall? Consider the roles of the witches, Lady Macbeth, and his own character.
A. Argue that Macbeth bears primary responsibility. (1) The witches prophesy but do not command — Banquo receives the same prophecies and does not murder. The witches exploit an ambition that already exists in Macbeth. (2) Lady Macbeth pushes him past his hesitation, but Macbeth makes the final choice to enter Duncan's chamber. After Act II, he orders subsequent murders entirely on his own, without her involvement. (3) Macbeth himself — he is aware his actions are wrong at every stage. His soliloquies show a man who understands the moral consequences and chooses to proceed anyway. Thesis: The witches provide the spark and Lady Macbeth fans the flame, but the fuel is Macbeth's own ambition. He is ultimately the agent of his destruction — a man who chose power over conscience and paid with everything.
About this page: This is an educational summary created for student exam preparation. All plot descriptions are original summaries of the play's events — not copied text. Direct quotations are clearly attributed.

Quoted works:
· Macbeth by William Shakespeare. First performed c. 1606; first published in the First Folio, 1623. Short quotations used for educational commentary under fair use.

This page is a study aid for students. All quotations are clearly attributed to their original sources. For a richer and fuller experience, we encourage you to read the original book.

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