Diamond attempts to convince an old war buddy who has turned to a life of crime to give himself up to the authorities.

Diamond is hired to verify the authenticity of an ancient Greek statue, which is suspected of being fake when it is offered for sale at a figure far below its true value.

Diamond plays a game of cat and mouse with an escaped convict who bears a grudge against Diamond for bringing him to justice.

Diamond unravels a story of unrequited love and revenge while tracking down a fugitive gangster who is in the possession of a valuable stolen necklace.

Diamond is hired by a woman to become a bodyguard to her husband, without him knowing it. He is a businessman who has received several threats against his life which he refuses to take seriously.

Diamond poses as a rich Canadian and infiltrates a gambling racket in order to learn the truth about a business man's claims that he witnessed a murder.

Diamond finds himself facing off against the mob when is hired by a woman to prove that her fiancee is innocent of killing a man in a hit and run auto accident.

While on holiday in the mountains Diamond befriends a young woman who is being pursued by thugs who believe that she is in possession of some incriminating photos.

Diamond sets out to con a recently widowed woman and her lover into believing that he witnessed them kill her late husband so that they could collect the insurance money.

A man hires Diamond to watch his frightened wife while he leaves town. Soon after taking the case Diamond is approached by a pair of men from a mental ward who claim she is an escaped patient.

A woman in the hospital hires Diamond to trail her ex-husband, since she believes that he has obtained custody of their daughter in order to use her as cover for his shady business practices.

Diamond promises a dying gangster that he will take care of the gangster's girlfriend, unaware that the promise will endanger his life.