Oedipus Rex tells the story of King Oedipus of Thebes who is cursed by fate to kill his father and marry his mother. When a plague strikes Thebes, Oedipus vows to find the killer of the previous king and lift the curse. Through his investigation, Oedipus discovers that he unknowingly fulfilled the prophecy and brings devastation upon himself and Thebes by learning he killed his father and married his mother. Oedipus is exiled and blinded himself while Jocasta commits suicide, leaving Creon to become the new king.