Perseus (Hamlin), the mortal son of Zeus (Olivier), faces the monsters of Greek mythology as he battles to save Andromeda (Bowker) from a primeval sea beast.

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.

Perseus, the mortal son of Zeus, battles magic, monsters, and ancient gods to rescue beautiful Andromeda from a primeval sea monster; after Hades and Ares kidnap Zeus to release the power of Kronos, Perseus is called on to fight against the gods.