The murder of Duncan, which weighs so heavily on his conscience, may have simply cleared the way for Banquo’s sons to overthrow Macbeth’s own family.
They hail'd him father to a line of kings:Upon my head they placed a fruitless crown/ No son of mine succeeding.
The witches show Macbeth to beware of Macduff, a bloody child tells him he cannot be defeatede by anyone. Hecate finding out the witches told him his prophecy she was enraged so she decided to give him false security.
Macbeth and Macduff battle it out ending in the death of Macbeth. Macduff brings the head of Macbeth to the new king Malcom.