Adventuresome Johnny Regan (Robert Stack) attends a bullfight while vacationing in Mexico City with friends. Enthralled by the crowd and the inherent risk in the sport, Johnny seeks out Manolo (Gilbert Roland), the star bullfighter who performed at the event. The two strike a bargain for Manolo to teach Johnny bullfighting, who in the meantime strikes up a romance with Manolo's friend Anita (Joy Page). But Johnny's risky behavior in the ring draws concern as his first bullfight approaches.