Oedipus Rex by Sophocles is a gripping Greek tragedy about fate, truth, and self-discovery. It follows Oedipus, the King of Thebes, as he seeks to rid his city of a plague by uncovering the murderer of the previous king. In a devastating twist, Oedipus learns that he himself unknowingly killed his father and married his mother, fulfilling a prophecy he tried to escape. The play explores themes of fate versus free will, human blindness to truth, and the tragic consequences of knowledge. A masterpiece of dramatic irony, Oedipus Rex remains one of the most powerful tragedies in literature.