Act 1 Scene 6 - King Duncan arrives at Macbeth's castle, greeted by Lady Macbeth

Act 1 Scene 7 - Macbeth has doubts about the plan

Act 2 Scene 1 - Banquo and his son Fleance are met by Macbeth

Act 2 Scene 2 - Lady Macbeth waits as Macbeth does the deed

Act 2 Scene 3 - A porter hears knocking at the gates of Macbeth's castle