Oedipus (Dryden play) the construction of a play, the playwright is the "master-workman" who needs "many subordinate hands, many tools to his assistance", including "history, geography, or moral philosophy." The plot is the base of the building, the characters and their manners the sides of it. All parts must be fitted properly to the whole; every part is neatly tied in. "Oedipus, a Tragedy" was based on Sophocles's "Oedipus", but the original drama was crucially changed in several respects. Dryden and Lee add a subplot of secondary characters – a love story about Adrastus, prince of Argos, and Eurydice, Oedipus' daughter. Unlike Corneille,
Oedipus Rex has been fulfilled. Oedipus, King of Thebes, sends his brother-in-law, Creon, to ask advice of the oracle at Delphi, concerning a plague ravaging Thebes. Creon returns to report that the plague is the result of religious pollution, since the murderer of their former king, Laius, has never been caught. Oedipus vows to find the murderer and curses him for causing the plague. Oedipus summons the blind prophet Tiresias for help. When Tiresias arrives he claims to know the answers to Oedipus's questions, but refuses to speak, instead telling him to abandon his search. Oedipus is enraged by Tiresias' refusal, and