Major Clements asks Kane for his professional opinion on a device the retired army officer has created to trap the person stealing milk bottles from in front of his door. Kane is impressed; the device works - only it results in the Major witnessing the murder of a small-time card dealer by a gambling syndicate's goon. . br br Private detective Martin Kane works in New York solving crimes. Depending on the year, Kane was either smooth and suave or hard bitten and the cooperation he received from the police depended on the year. The only constant was Happy McMann's tobacco shop where Kane hung out.br br Directed by Frank Burnsbr br Starringbr Walter Kinsella as Happy McMannbr Nicholas Saunders as Sgt. Ross br King Calder as Lt. Grey br William Gargan as Martin Kanebr Lloyd Nolan as Martin Kanebr Frank M. Thomas as Capt.