Macbeth visits the three witches and they make three other prophecies: Macbeth should beware Macduff, anyone born by a woman can't defeat Macbeth, he won't be defeated until Birman Wood moves.
Macbeth swears to kill Macduff's family.
Lady Macduff doesn't know why his husband has gone.
Someone warns Lady Macduff that Macbeth wants to kill her and her children.
Macbeth kill Lady Macduff and the children.
In Scotland everyone is suffering because Macbeth is a tyrant.
Macduff is in England to convince Malcolm to return to Scotland because he wants to fight against Macbeth.
Macduff discovers that his wife and his children died.