Outside the hall, Macbeth considers his thoughts about killing Duncan.
He struggles with his conscience and decides not to go through with it because it is only his ambition that is pushing him onwards.
Lady Macbeth tells him off for leaving.
When Macbeth tells her that he has decided against killing Duncan, she is furious, calling him a coward and a beast.
She goads him.
Macbeth is further persuaded by the strength of their plan.
They will frame the guards for Duncan’s murder by covering their daggers in Duncan’s blood.
Macbeth is settled to kill Duncan.
