트라키아 출신의 노예 스팔타커스(커크 더글러스)는 검투사를 훈련하는 바티아투스(피터 유스티노프)에게 팔려가게 된다. 경기장에서 훈련을 받던 스팔타커스는 동료 검투사를 이끌고 반란을 주도한다. 반란은 마을에서 마을로 퍼져가고 도망친 노예들이 합류하며 커다란 세력이 된다. 노예들은 스팔타커스를 따라 바다 건너 고향으로 돌아가기 위해 남하를 계속한다. 한편 수도 로마에서는 대립하는 두 원로원이 반란군을 각기 자신의 정치적인 입지를 강화하는 데 이용하려 한다.
Jim Slater's father (whom he never knew) died in the Apache ambush at Gila Valley, and Jim is searching for the one survivor, who supposedly went for help but disappeared with a lot of gold. In the process, he gets several people gunning for him, and he keeps meeting liberated woman Karyl Orton, who may be on a similar mission. Renewed Apache hostilities and an impending range war provide complications.
A man has kidnaped an engraver and has him forging Mexican bills. He captures wild horses supposedly to sell for hides but uses them to transport the bills across the border. Police captain Juan Reyes (Richard Avonde) is posing as a bandit to uncover the counterfeiters smuggling fake pesos into Mexico, and is assisted by feisty youngsters Red (Michael Chapin) and Judy (Eilene Janssen), who are trying to protect the wild horses being used by the gang. The kids suspect that rancher Big John Harkins (Roy Barcroft) is the leader of the gang and that he is forcing Mexican artist Espinosa (Julian Rivero) to help him.
