Young Cabiria is kidnapped by pirates and sold as a slave in Carthage. Just as she's to be sacrificed to Moloch, Cabiria is rescued by Fulvius Axilla, a good-hearted Roman spy, and his powerful slave, Maciste. The trio are broken up as Cabiria is entrusted to a woman of noble birth. With Cabiria's fate unknown, Maciste punished for his heroism, and Fulvius sent away to fight for Rome, is there any hope of our heroes reuniting?