MacBeth told he is now Thane of Cawdor. Duncan's son, Malcolm, gets named Prince of Cumberland, making him the heir to the throne.
My worthy Cawdor!
We will establish our estate upon our eldest, Malcolm, whom we name hereafter The prince of Cumberland
Macbeth and his wife plot to kill the King.
But be the serpent under ’t. He that’s coming must be provided for; and you shall put this night’s great business into my dispatch, which shall to all our nights and days to come give solely sovereign sway and masterdom.
Macbeth kills Duncan in his sleep.
I have done the deed. Didst thou not hear a noise?
I heard the owl scream and the crickets cry.
MacBeth hires murderers to kill Banquo and his son Fleance. Fleance gets away.
O treachery! Fly, good Fleance, fly, fly, fly! Thou may ’st revenge —O slave!
There’s but one down. The son is fled.
Macbeth sees Banquo's ghost at dinner.
Here, my good lord. What is ’t that moves your highness?