Scene 1
Banquo and Fleance walk the halls of Macbeth’s castle at night. Macbeth has a vision of a dagger in the air before him. Macbeth heads to Duncan’s bedchamber.
Scene 2
Macbeth returns to Lady Macbeth after killing Duncan. Lady Macbeth plants the murder weapons in Duncan’s bedchamber to frame the chamberlains.
Scene 3
Macduff discovers Duncan’s murder, along with the murder of the two chamberlains, who Macbeth claims he killed upon realising they murdered Duncan. Duncan’s sons flee the country.
Scene 4
Macduff tells Ross that Macbeth is going to be crowned as the next king, and that he suspects Duncan’s sons are guilty of the murder because they fled the country.