1. act three
1.1. Macbeth becomes King of Scotland but is plagued by feelings of insecurity.
1.1.1. He remembers the prophecy that Banquo's descendants will inherit the throne and arranges for Banquo and his son Fleance to be killed.
1.2. Banquo is murdered, but his son escapes the assassins. At his state banquet that night, Macbeth sees the ghost of Banquo and worries the courtiers with his mad response.
1.2.1. Lady Macbeth dismisses the court and unsuccessfully tries to calm her husband.
2. act four
2.1. By the pricking of my thumbs, something wicked this way comes — MACBETH, ACT 4 SCENE 1
2.2. They also prophesy that the Scottish succession will still come from Banquo's son.
2.2.1. Macbeth embarks on a reign of terror, slaughtering many, including Macduff's family. Macduff had gone to seek Malcolm (one of Duncan's sons who fled) at the court of the English king.
2.3. Malcolm is young and unsure of himself, but Macduff, pained with grief, persuades him to lead an army against Macbeth.
3. act five
3.1. Out, damned spot!— MACBETH, ACT 5 SCENE 1
3.2. Macbeth feels safe in his remote castle at Dunsinane until he is told that Birnam Wood is moving towards him.
3.2.1. Malcolm's army is carrying branches from the forest as camouflage for their assault on Macbeth's stronghold
3.3. Meanwhile, an overwrought and conscience-ridden Lady Macbeth walks in her sleep and tells her secrets to her doctor.
3.3.1. She commits suicide. As the final battle commences, Macbeth hears of Lady Macbeth's suicide and mourns.
3.4. Tomorrow, and tomorrow, and tomorrow — MACBETH, ACT 5 SCENE 5
3.5. In the midst of a losing battle, Macduff challenges Macbeth. Macbeth learns Macduff is the child of a caesarean birth (loophole!)
3.5.1. realises he is doomed, and submits to his enemy. Macduff triumphs and brings the head of the traitor Macbeth to Malcolm. Malcolm declares peace and goes to Scone to be crowned king.
4. act one
4.1. On a bleak Scottish moorland, Macbeth and Banquo, two of King Duncan's generals, discover three strange women (witches).
4.2. The witches prophesy that Macbeth will be promoted twice:
4.2.1. Thane of Cawdor (a rank of the aristocracy bestowed by grateful kings)
4.2.2. King of Scotland
4.3. Banquo's descendants will be kings, but Banquo isn't promised any kingdom himself.
4.3.1. The generals want to hear more, but the "weird sisters" disappear.
4.4. Soon afterwards, King Duncan names Macbeth Thane of Cawdor as a reward for his success in the recent battles.
4.5. The King then proposes to make a brief visit that night to Macbeth's castle at Inverness.
4.5.1. Lady Macbeth receives news from her husband about the prophecy and his new title. She vows to help him become king by whatever means are necessary
5. act two
5.1. Is this a dagger which I see before me? — MACBETH, ACT 2 SCENE 1
5.2. The Macbeths plot together to kill Duncan and wait until everyone is asleep.
5.2.1. Lady Macbeth gives the guards drugged wine so Macbeth can enter and kill the King. He regrets this almost immediately, but his wife reassures him.
5.3. She leaves the bloody daggers by the dead king just before Macduff, a nobleman, arrives.
5.3.1. When Macduff discovers the murder, Macbeth kills the drunken guards in a show of rage and retribution.