"Macbeth"

Macbeth, the protagonist of the tragedy, is a general of the king of Scotland Duncan. Macbeth and Banquo met three witches that explained them some prophecies: Macbeth will be named soon gentleman of Cawdor by the king of Scotland Duncan, and then it will ascend to the throne; Banquo, also without never reigning, it will have a regal descent; These profecy became to come tru so Macbeth inform immediately his wife Lady macbeth that suggests him to invite his cousin duncan and to murder him. Macbethtemporizes, but he is suffered convinced by his wife and he kills Duncan.
After all the prophecies come true, LAdy macbeth became mad, in fact she will see on his hands some blood, that she will clean with some water.