Macbeth is a noble Thane and a faithful General to King Duncan. As he's getting back from a victorious war, three witches appear to him and promise him kingship. Macbeth, already ambitious, consults this with Lady Macbeth, who persuades him to accept his fate and kill the king. Then, his descent begins in a series of murders to remain in power. His wife becomes delusional and kills herself, and later, he is avenged for the murder of Duncan by Macduff.