When a singer is horribly disfigured in a car accident, a scientist develops a treatment which can restore her beauty by injecting her with a special serum. While performing the procedure, however, he falls in love with her. As the treatment begins to fail, he determines to save her appearance, regardless of how many women he must kill for her sake.

Julius Caesar flees Rome because of a conspiration against him and takes refuge by the king of Bitinia. He finds a woman there and while he escorts her to Rhodes their ship is attacked. Caught by the pirates he asks for help to get back to Rome.

Roccia and a band of fellow gladiators join forces with a patrician named Glaucus Valerius to replace Nero, (and his evil henchman, Tigelinus), with a new emperor: Servius Galba. During the course of this bloody struggle, the gladiators lose their mentor and trainer - Resius - and then must rescue Lidia, Resius' beautiful niece, from death on the cross.