A terrible pirate terrorizes the Antilles plundering ships, slaughtering their crews and selling women as slaves. One of the women asks Sansone for help.

Tribal chief Sandra kidnaps Samira, the daughter of the powerful Yesen Khan. He hopes to exchange her for a treasure in gold but falls in love with the girl and things gets complicated.

In 54 B.C. Julius Caesar seeks to solidify his position in Rome by putting down a rebellion in Gaul led by a tribal chieftain named Vercingetorix. Vercingetorix has rallied many tribes to his cause, including one led by the beautiful Queen Asterid and others who'd once pledged allegiance to Rome.