Influenced by the witches’ prophecies, his wife and his own ambition, Macbeth kills King Duncan and seizes the Scottish throne. Inwardly destroyed by guilt, Macbeth dies at the hands of his enemies.
The morning after the murder, Macbeth feels guilty. He is so shocked, his hands are covered with blood and he still carries the daggers.
Lady Macbeth has to take control of the situation and goes to smear Duncan's servants with blood.
Act three, Scene four
Macbeth has remembered the witches' prediction that Banquo will be the father of kings. A banquet is being held to honour the new king Macbeth.
Macbeth finds out Banquo has been killed, but Fleance has escaped. Macbeth sees Banquo's ghost and draws suspicion upon himself by his strange behaviour.
This video below shows the scene where Macbeth finds out about Banquo's death and begins to act suspicious.
