Thea is a slave girl from Judaea. Purchased as a toy for the spiteful heiress Lepida Pollia, Thea becomes her mistress's rival for the love of Arius the Barbarian, Rome's newest and most savage gladiator. His love brings Thea the first happiness of her life - that is quickly ended when a jealous Lepida tears them apart. As Lepida goes on to wreak havoc in the life of a new husband and his family, Thea remakes herself as a polished singer for Rome's aristocrats. Unwittingly, she attracts another admirer in the charismatic Emperor of Rome ...