Richard Diamond, Private Detective

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

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.

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.

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.

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.

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.

A man hires Diamond to investigate an outer space society which he suspects is out to bilk his rich uncle since they have talked him into leaving the society $100,000 in his will.

Diamond is hired to protect a lady politician whose supporters fear she may be kidnapped by the opposition.

Diamond is hired to track down a gang of safe crackers and recover the money that they stole.

A man convicted of a jewel theft years earlier still claims to be innocent even though the jewels start to show up on the black market as soon as he is released from prison.

Diamond is hired to investigate a fire in a fur shop which killed an accountant who was working there.

A veteran journalist and a recovering alcoholic join forces in order to get a story on a protection racket.

Diamond moves to Los Angles where he begins to date Karen after she hires him to find her boyfriend's murderer. A woman hires him to find her playboy son who has gone missing.

An old man dies alone in his shack on the beach and $84,000 is found among his pile of junk. A hopeful heir hires Richard Diamond to find out if the man is his second cousin. Diamond uncovers evidence that the old man was murdered.

A mobster wanted by the law fears that he is going to be assassinated and asks Diamond to negotiate his surrender to the police.

A couple from South America hire Diamond to find a political refugee from their country who is hiding in the U.S.

An attractive young woman pleads with Diamond to investigate the murder of a fiananceer. Diamond later learns that her father is the police detective assigned to solve the case.

Diamond heads to Mexico in search of a missing art dealer.

A racketeer's bookkeeper gets Diamond involved in a blackmail scheme against his boss, when he asks him to find a book and gives him only one hour to do so.

An acquaintance of Diamond's is murdered. At his grave at a potter's field, Diamond sees a wealthy old woman laying flowers at some of the unmarked graves. Diamond tries to find the connection between her and his down-on-his-luck friend.

A bookie decides to get rid of Lt. Kile, whose efforts to put a stop to the bookie's operation have begun to annoy him.

A financier hires Diamond to search for his partner who has gone missing in Mexico.

While briefly stopping in San Francisco, Diamond finds himself the target of a gunman.

Diamond finds himself in a deserted amusement park on the trail of a desperate fugitive murderer.