In the year 2015, a spaceship, the IC-1, travels through outer space looking for a suitable planet to settle on. The commander, Captain Ralston, is stern and brutal in which one cadet, Steven, plots a revolt to turn the leadership of the command over to him.

Jason, a fearless sailor and explorer, returns to his home land of Thessaly after a long voyage to claim his rightful throne. He learns, however, that he must first find the magical Golden Fleece. To do so, he must embark on an epic quest fraught with fantastic monsters and terrible perils.