Oedipus play was "Laius", the second was "Oedipus", and the third was "Seven against Thebes". Only the third play survives, in which Oedipus' sons Eteocles and Polynices kill each other warring over the throne. Much like his "Oresteia", this trilogy would have detailed the tribulations of a House over three successive generations. The satyr play that followed the trilogy was called "The Sphinx". As Sophocles' "Oedipus Rex" begins, the people of Thebes are begging the king for help, begging him to discover the cause of the plague. Oedipus stands before them and swears to find the root of their suffering and
Oedipus Rex was given a prophecy that he would one day murder his father and sleep with his mother. Upon hearing this he resolved to leave Corinth and never return. While traveling he came to the very crossroads where Laius was killed, and encountered a carriage which attempted to drive him off the road. An argument ensued and Oedipus killed the travelers, including a man who matches Jocasta's description of Laius. Oedipus has hope, however, because the story is that Laius was murdered by "several" robbers. If the shepherd confirms that Laius was attacked by many men, then Oedipus is in the