Macbeth and Banquo encounter three witches who predict that Macbeth will be king as well as well as Banquo's children.
Macbeth fulfills his prophecy by murdering Duncan and becoming king.
After ordering Banquo and his son assasinated, Macbeth sees Banquo's ghost at the dinner table.
Macbeth decides to visit the three witches and and a vision tell Macbeth that he doesn't have to be afraid of any man born from a woman. Macbeth then decides to kill Macduff's family since he didn't show up to the dinner.
When Macbeth learns from Rosse that his family had been murdered he swears vengeance and allies himself with Malcolm, Duncans son.
At the war, Macbeth believes that he can defeat Macduff but, the latter reveals that he was cut from is mothers womb and kills Macbeth, making Malcolm the king of Scotland.