Circus owner Matt Masters is beset by disasters as he attempts a European tour of his circus. At the same time, he is caught in an emotional bind between his adopted daughter and her mother.
Saadia is a wild, strange Arab girl whose life has been dominated by a local sorceress, a vengeful outcast in the community, who has convinced her she has the "evil eye" and brings disaster to all who love her. French doctor Henrik takes her to his clinic, for rehabilitation purposes, and falls in love with her as does his friend, Si Lahssen, the reigning prince of this small Moroccan state. When a plague falls on the town, Saadia is convinced she is responsible, and rides alone into the mountain country to retrieve the plague serum being held for ransom by bandits. The love triangle dominates most of the rest of the film.
The tangled affairs of George, Prince of Wales, leading to his illegal marriage to commoner Mrs. Fitzherbert. Also portrayed is the conflict between the future George IV and his father George III.