Oedipus Rex by Sophocles tells the story of Oedipus, ruler of Thebes. An oracle predicts that Oedipus will kill his father and marry his mother. As an infant, Oedipus is given to a shepherd and adopted by Polybus and Merope. As an adult, Oedipus leaves Corinth after learning he is not their biological son. On the road to Thebes, he kills a man at a crossroads who is actually his biological father, King Laius. Oedipus solves the riddle of the Sphinx and becomes ruler of Thebes, marrying the widowed queen Jocasta, who is actually his mother. When a plague