Aired: 7/1/1957
Diamond promises a dying gangster that he will take care of the gangster's girlfriend, unaware that the promise will endanger his life.
Aired: 7/8/1957
A woman in the hospital hires Diamond to trail her ex-husband, who she believes has obtained custody of their daughter to use as cover for his shady business practices.
Aired: 7/15/1957
A man hires Diamond to watch over his frightened wife while he is out of town, but then Diamond is approached by a pair of doctors from a mental institution who claim she is an escaped patient.
Aired: 7/22/1957
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.
Aired: 7/29/1957
While on holiday in the mountains Diamond befriends a young woman who is being pursued by thugs who believe that she has taken some incriminating photos.
Aired: 8/5/1957
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.
Aired: 8/12/1957
Diamond poses as a rich Canadian and infiltrates a gambling racket in order to learn the truth about a businessman's claims that he witnessed a murder.
Aired: 8/19/1957
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.
Aired: 8/26/1957
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.
Aired: 9/9/1957
Diamond plays a game of cat and mouse with an escaped convict who bears a grudge against Diamond for bringing him to justice.
Aired: 9/16/1957
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.
Aired: 9/23/1957
Diamond attempts to convince an old war buddy who has turned to a life of crime to give himself up to the authorities.