After a failed uprising in Brittania, Sirona, a princess of the Iceni, and her lover, Taranis, are taken to Pompeii and sold as slaves.

After a failed uprising in Brittania Sirona a princess of the Iceni and her lover Taranis are taken to Pompeii and sold as slaves. White Taranis is used to satisfy the demands of a rich Roman lady Sirona is confined to the home of a lecherous senator until his stepson General Lucius Flavius rescues her. After the lovers are briefly united their situation takes a turn for the worst. Sirona finds herself in the clutches of the erotic cult of Dionysis and Taranis must fight for his life as a gladiator in the arena. Meanwhile beneath Mount Versuvius there are forces gathering that even the power of the Romans cannot control.