Les derniers jours de Pompeï

Year 79 in Pompeii, Lycias and Helen fall in love but the High Priest of Isis and Helen's tutor won't have it and tries to get Lycias to drink a love potion. However, a young slave warns the Priest that she will reveal his plot. The High Priest attempts to silence her but in vain, so he kills her and fixes it so that Lycias is blamed. The young man is sentenced to be thrown to the lions but he manages to escape. Under cover of the eruption of Mount Vesuvius, he flees the city with Helen.