Kane is asked by a dead inventor's secretary to investigate a murder when she and the other beneficiaries are all deemed to be suspects in the killings.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.