Oedipus the King by Sophocles tells the story of Oedipus, ruler of Thebes who unknowingly fulfills a prophecy that he will kill his father and marry his mother. The city is plagued with illness and pestilence so Oedipus seeks to end the curse by discovering who murdered the previous king. Through his investigation, the truth is revealed that Oedipus himself killed his father and married his mother. Overcome with grief, Oedipus blinds himself and leaves the city in disgrace.