Queenie Leonard

On a train bound from Chicago to Los Angeles, hard-boiled detective Walter Brown must protect the widow of a gangster who's slated to testify before a grand jury. Brown's (Charles McCraw) partner was murdered while guarding the ill-tempered Mrs. Neall (Marie Windsor), and the friction between the detective and his charge grows in the confined space. Now, the mob will stop at nothing to kill Mrs...

A former jewel thief must use his bag of tricks to find the culprit behind the disappearance of two precious diamonds from Scotland Yard's safe.