A hard-boiled detective is assigned to ensure a gangster's widow testifies in court and escorts her to Los Angeles by train - but their mutual enmity looks set to guarantee an eventful journey, even without the intervention of hit-men. It's not long before paranoia takes hold and their fellow passengers fall under suspicion. Suspenseful thriller from director Richard Fleischer. Charles McGraw, Marie Windsor, Jacqueline White, Gordon Gebert and Queenie Leonard star.

A tough cop meets his match when he has to guard a gangster's widow on a train journey from Chicago to Los Angeles.