Macbeth is a brave battle hero and loyal servant to King Duncan until he meets three witches on his return from battle, who predict that he will be king. His driving ambition fanned into flame by his power-hungry wife cause him to betray his friends and his king. He kills King Duncan in order to become king himself and then loses all sense of moral justice as he defends his ill-gotten throne. Lady Macbeth goes mad with guilt and Macbeth sees his life unravel through bad choices and the witches' deceit. Eventually Macbeth dies in battle, and peace and order are restored to Scotland when Malcolm becomes the rightful king.