Oedipus and the Sphinx

The plot is based on the ancient Greek myth of Oedipus and the Sphinx. "The Riddle of the Sphinx." The Sphinx was a monster. It was sitting on the road. No one was allowed in and asked riddles. Anyone who didn 't figure it out was devoured . And Oedipus solved the riddle. And she plunged into the abyss and died.