Hayato Akaboshi quits racing cars and settles in a village when he accidentally kills another driver. He works at a garage and turns its fortunes around, making the owner of another garage jealous.
Transported to Barsoom, a Civil War vet discovers a barren planet seemingly inhabited by 12-foot tall barbarians. Finding himself prisoner of these creatures, he escapes, only to encounter Woola and a princess in desperate need of a savior.
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.