Œdipe (opera) is suspicious that Creon wants to usurp him, and dismisses Tiresias and Creon from his sight. Meanwhile, Jocasta tries to comfort Oedipus, and tells of the circumstances of the killing of Laius, which disturbs Oedipus. The shepherd confirms Jocasta's story. From Corinth, Phorbes then arrives to ask Oedipus to succeed Polybus, and then reveals that Polybus and Merope were his adoptive parents, not his biological parents. It turns out that Merope's own child had died at birth, and Phorbes replaced that child with Oedipus, whom the Shepherd had not the heart to abandon to the elements. Oedipus now understands the
The Infernal Machine (play) of the Ghost of King Laius, when the Officer arrives. The Officer questions the two about the ghost sighting and leaves them to their duties. Tiresias and Jocasta enter and question the soldiers about the ghost sighting as well. As Jocasta begins to believe more and more, the ghost of King Laius appears. Despite his calls for his wife, he cannot be seen or heard by anyone else. After the cock crows in the dawn, Tiresias and Jocasta exit. After the two leave stage, the ghost of King Laius becomes audible and visible to the two soldiers. Laius struggles, apparently