Having endured his legendary twelve labors, Hercules, the Greek demigod, has his life as a sword-for-hire tested when the King of Thrace and his daughter seek his aid in defeating a tyrannical warlord.

Perseus, a demigod and the son of Zeus, battles the minions of Hades and the Underworld in order to stop them from conquering Olympus and Earth.

Perseus braves the treacherous underworld to rescue his father, Zeus, captured by his son, Ares, and brother Hades who unleash the ancient Titans upon the world.