1) The document summarizes the plot of the Greek tragedy Oedipus Rex by Sophocles. It describes how the city of Thebes is suffering from a plague and the people seek out Oedipus for help. 2) Oedipus sends Creon to the Oracle who says the plague will not lift until the murderer of the former king Laius is found and punished. 3) When questioned, the blind prophet Teiresias reveals that Oedipus himself is the murderer. Oedipus refuses to believe this until more details emerge that match his own past.