Tran 1 Act IV Summary Macbeth goes back to see the witches in order for them to tell him his future. They show him 3 visions and he takes them to be the truth. Macbeth feels invincible because of what the witches tell him. Macbeth has Lady Macbeth and her children murdered. Macduff convinces Malcom to form an army to march to Scotland and kill Macbeth so that they can rightfully claim the throne.