He refused to see the signs or heed the Oracle's warning. Instead, he thought that he had tricked the gods and escaped his fate by leaving Corinth. Oedipus, as you know, enters Thebes after answering the Sphinx's riddle, leading the monster to kill itself - he enters Thebes as a hero. Importantly, he marries the city's queen, Jocasta - a woman old enough to be his mother. Hence, despite having been warned that he was destined to kill his father and marry his mother, Oedipus, in a fit of rage, kills a man old enough to be his father and, overcome by pride/hubris, marries a woman old enough to be his mother. Years later, Thebes suffers an infertility plague. It is assumed that the plague was an outcome of Oedipus' not having pursued the murder of King Laius. Accordingly, the prophet Teiresias is called so to shed light on the