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.
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.
A fabulous land of green pastures is protected from invasion by the mysterious Valley of the Thundering Echo. Queen Farida draws together the desert tribes to conquer the land, even though a prophecy has promised the land to the Gameli tribe. The Gameli journey to the Silver Temple, where the High Priest summons the legendary Maciste from the mountain rock to defeat their enemies and guide them to their promised land.
