Warrior Queen (1987)

aka: Pompeii

In ancient Pompeii, slaves are bought and sold for household chores and sex. A mysterious queen (Sybil Danning) moves among the elite, while secretly helping the slaves to escape. Eventually her life is also in jeopardy, and as the volcano erupts, she and the slaves attempt to escape while being chased by the military. Also stars Donald Pleasence.