Pompeii is a historic disaster film. In Britannia, 62 AD, a tribe of Celts are brutally exterminated by the Romans led by Corvus. The only survivor is a boy named Milo, who is captured by slave traders. Seventeen years later, the owner of a slave named Graecus attends a class of gladiators. He's not impressed until he sees Milo grown up, a gifted gladiator the crowds call "Celt".
Milo is soon brought to Pompeii with his co-slaves. On the road, they see a horse fall as they lead a carriage carrying Cassia, returning after a year to Rome, and her servant Ariadne...