Mcduff is telling Macbeth the events of the night . Later Mcfduff finds the king dead in his chamber.
After the murder Macbeth returns to Lady Macbeth and tell her about the voices. Lady Macbeth tells him to go back to the sense to but the dagger back.
Macduff comes back and tells everyone that the king had been murdered
Malcom and Donalbain the two sons of King Duncan don't think that the chamberlains killed their father. They both that there targeted at because of throne.