The Two Noble Kinsmen

When Theseus, Duke of Athens, learns that the ruler of Thebes has killed three noble kings he swears to take revenge. But after Athens triumphs over the rival city, Theseus is struck by the bravery of two Theban cousins and orders his surgeons to attend to them. Soon, the cousins' lifelong friendship is threatened, as both become overwhelmed with love for the duke's beautiful sister.