Francis Barnard goes to Spain, when he hears his sister Elizabeth has died. Her husband Nicholas Medina, the son of the most brutal torturer of the Spanish Inquisition, tells him she has died of a blood disease, but Francis finds this hard to believe. After some investigating he finds out that it was extreme fear that was fatal to his sister and that she may have been buried alive!

Sparks Moran, agent secret XK150, embarque avec un quartet de choc (Mary-Belle, une poule de gangster, Jack le Joyeux, meurtrier notoire, Pete Jr, homme de main et Renzo Capetto, cerveau du gang) à bord d'un navire transportant des soldats cubains et un coffre rempli d'or. Alors que les cubains disparaissent un à un, une mystérieuse créature attaque l'équipage…

A group of thieves attempt a daring robbery of a football stadium.