Friends of Spartacus achieve revenge on the plotter who tries to make political capital out of the rumor that he is still alive.

Tribune Marcus Aulus, out of favor in Rome because of his alleged sympathy for Christians, arrives to take charge of an aqueduct project on the hot, arid fringes of the Empire. Centurion Gaius, cruel and corrupt, resents being replaced by Marcus. He instigates a revolt by his slave-workers, then blames the situation on…