Banquo and Fleance talk about Banquo's nightmares - he cannot rest with them plaguing him. It is dark outside.
"A heavy summons lies like lead upon me,And yet I would not sleep"
Macbeth and a servant enter Banquo gives a diamond from King Duncan thanking Macbeth for his loyalty and his wife for her hospitality.
"This diamond he greets your wife withal,By the name of most kind hostess"
Banquo tells Macbeth that he had a dream about the three witches. Macbeth replies that he doesn't think about them. Banquo says he will stay loyal to Macbeth.
"I dreamt last night of the three weird sisters"
"I think not of them"
Banquo and Fleance exits and Macbeth tells the servant to tell Lady Macbeth to ring the bell when his drink is ready. The servant exits to bed.
"Go bid thy mistress, when my drink is ready,She strike upon the bell"
Macbeth is alone and he sees a dagger floating in front of him reminding him what he must do. Macbeth thinks the dagger is an apparition because the can't hold it. Macbeth hears a bell ring and he rushes of to murder King Duncan
"Is this a dagger which I see before me,The handle toward my hand?"
Macbeth decides to kill King Duncan whist he is sleeping. Macbeth realises he must do is now or never. He murders Duncan.
"Hear it not, Duncan, for it is a knellThat summons thee to heaven or to hell"