Our trio of adventurers, Hero, Oracle, and Daedalus, are grabbed by mercenaries and brought in front of King Minos and his daughter, Princess Ariadne. When Minos sees the old inventor, he demands that Daedalus build him a machine of war, to conquer the Athenians behind the wall. Taken with Hero, Ariadne tries to weaken him with torture. When Medea learns of Hero's capture, she makes plans for his rescue.