Understand in about 6 minutes
A victorious soldier hears a prophecy that he will be king, lets his wife talk him into murdering the one who stands in the way, and finds that the crown he seizes buys him nothing but sleeplessness, slaughter, and a kingdom that turns against him.
Mind Map
Core Message
Macbeth sees clearly that the murder is wrong; he weighs Duncan's virtues, his own duty as host and kinsman, and the certainty that 'bloody instructions' return to plague their inventor. None of this restrains him. The play shows desire seizing the throne while the moral argument is still being made, so that reflection arrives only to register a deed already in motion.
Blood is the play's recurring image of a stain that will not lift. Immediately after the killing Macbeth fears that all the ocean cannot clean his hand; much later his wife, sleepwalking, scrubs at a spot no one else can see and finds that all the perfumes of Arabia will not sweeten it. The crime is done in a moment, but the conscience it wounds keeps working long after the will has moved on.
Once Macbeth is king, the prophecy that promised Banquo's heirs the throne turns every ally into a threat. He murders Banquo, attempts the son, and slaughters Macduff's wife and children to forestall a danger he half-imagines. The throne does not satisfy ambition; it manufactures new fears that can only be answered with more blood, until the kingdom is governed by a man at war with everyone.
The witches never lie outright, yet every promise they make is a trap baited with fact. Macbeth will be king, and is; no man of woman born will harm him, and the man who kills him was cut untimely from his mother; he is safe till a forest moves, and it does. The play treats fate less as a fixed plan than as an equivocation the ambitious mind hears as a guarantee.
Summary
Macbeth, a Scottish general, is returning from a victory when three witches meet him on a heath and hail him by three titles: Thane of Glamis, which he holds; Thane of Cawdor, which he does not yet know is his; and king hereafter. They promise his companion Banquo that he will father kings though he will be none himself. When the second prophecy comes true within the hour, Macbeth begins to dwell on the third, and writes ahead to his wife. Lady Macbeth, reading the letter, fears only that his nature is 'too full o' the milk of human kindness' to take the shortest way, and resolves to push him to it.
King Duncan comes to stay the night at Macbeth's castle, an honour that makes the murder easy and monstrous at once. Macbeth wavers, reasoning that Duncan is a good king and a trusting guest, and tells his wife they will proceed no further; she answers by questioning his manhood and detailing how completely she would have kept such a vow. Goaded, he commits to the deed. In the dark he sees a dagger hanging in the air, leading him toward Duncan's chamber, and kills the sleeping king, then returns so unstrung that Lady Macbeth must take back the bloody daggers and frame the grooms herself.
The crown is won but never rests easy. Duncan's sons flee, which lets the blame fall on them, and Macbeth is made king; yet the witches' word to Banquo gnaws at him, since it means he has 'fil'd' his mind for another man's heirs. He has Banquo killed, though the son Fleance escapes, and at a state banquet Banquo's ghost takes Macbeth's seat, visible to no one else, and breaks him in front of his court. From this point Macbeth rules by terror and seeks the witches again, who show him apparitions warning of Macduff, assuring him that none of woman born can harm him, and that he is safe until Birnam wood comes to Dunsinane.
Reassured by promises he reads as impossible, Macbeth grows reckless and cruel. Learning that Macduff has fled to England to join Duncan's son Malcolm, he orders Macduff's castle seized and his wife and children butchered, an atrocity that turns grief into a cause. In England the murdered family's news hardens Macduff, and Malcolm, having tested Macduff's loyalty, marches north with English forces. Meanwhile, at home, Lady Macbeth's resolve has collapsed into madness: she walks in her sleep reliving the murders, rubbing at her hands, and the doctor who watches says her trouble is past his power to cure.
The two strands meet at Dunsinane. The advancing army cuts boughs from Birnam wood for camouflage, and the moving forest fulfils the prophecy Macbeth thought safe. Word comes that the queen is dead, and Macbeth answers with the bleakest speech in the play, calling life 'a tale told by an idiot, full of sound and fury, signifying nothing.' He fights on, trusting that no man of woman born can kill him, until Macduff tells him he was 'untimely ripp'd' from his mother. The last guarantee fails; Macduff kills him and carries his head to Malcolm, who is hailed king as Scotland is set right.
Key Concepts
Macbeth's desire for the crown outruns every check that should hold it: his loyalty, his conscience, his own clear sense that the murder is wrong. He names the very force that drives him as 'vaulting ambition, which o'erleaps itself.'
The tragedy turns on a man who sees the right course and takes the wrong one anyway, which makes it a study of how wanting something badly enough can silence judgment rather than be guided by it.
Blood recurs as the physical mark of a guilt that cannot be cleaned away. Macbeth's hands after the murder, Banquo's ghost, and Lady Macbeth's imagined spot all make conscience visible as a stain that resists every effort to remove it.
It shows that the consequence of the crime is not chiefly the risk of being caught but the inward damage of having done it, which the play tracks as both Macbeths come undone in different ways.
The witches deliver prophecies that are literally true yet deeply misleading, encouraging Macbeth to read figurative or impossible-sounding promises as solid guarantees of safety and success.
It frames the play's question about fate and choice: the predictions create the future partly by tempting Macbeth to act, so that what looks like destiny is also the product of the ambition the prophecy awakens.
Mental Models
Lady Macbeth's name for murder is 'the nearest way' to the crown the prophecy promised. She treats waiting on chance or merit as weakness and pushes Macbeth to take the direct, violent route to an end he could only otherwise hope for.
It models the seductive logic of collapsing a long, uncertain path into one decisive act, and exposes the cost: the shortcut delivers the goal but not the security or peace that were supposed to come with it.
The Macbeths govern their world by concealment, agreeing that 'false face must hide what the false heart doth know,' wearing welcome and loyalty over the intent to kill and, later, over guilt.
It illustrates the strain of sustained deceit: the gap between the performed face and the true one widens until it surfaces involuntarily, in Macbeth's ghost-stricken banquet and his wife's sleepwalking confession.
Macbeth observes that 'blood will have blood' and that he is 'in blood stepp'd in so far' that turning back would be as hard as going on. Each killing creates the fear that demands the next.
It captures how a course of wrongdoing becomes self-perpetuating, where the cost already paid is used to justify paying more, and security is always one more act of violence away.
Selected Quotes
Fair is foul, and foul is fair:
Is this a dagger which I see before me,
False face must hide what the false heart doth know.
Source
Source text: Project Gutenberg edition of Macbeth by William Shakespeare.
HTML text: https://www.gutenberg.org/cache/epub/1533/pg1533.txt
Project Gutenberg states this ebook is for the use of anyone anywhere in the United States and most other parts of the world at no cost and with almost no restrictions whatsoever.
Written approximately 1606; first printed in the 1623 First Folio.