 Three centuries before Christus. Young Cabiria is kidnapped by some pirates during one eruption of the Etna. She is sold as a slave in Carthage, and as she is just going to be sacrificed to god Moloch, Cabiria is rescued by both Fulvio Axilla, a Roman noble, and his giant slave Maciste. Maciste is captured just after having confided Cabiria to Sophinisbe s safe keeping, while Fulvio Axilla manages to escape from Carthage. Ten years went away with Punic wars before he is able to come back to Carthage...