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.
Diamond winds up in the middle of a deadly conspiracy when he agrees to help a wealthy young man find his missing bride.
An antique dealer hires Diamond to find an Oriental cigarette box and his employee who disappeared while delivering the box.
A masked gunman steals the box office receipts of a charity jazz festival which Diamond is attending.
After inheriting half of a citrus packing plant, a pair of brothers hire Diamond to investigate a young woman they suspect is a golddigger, who has been romancing their late father's partner.
An art dealer asks Diamond to make a clandestine investigation into the disappearance of a valuable crown which vanished from a safe on board a yacht.
A jukebox operator asks Diamond for help when he is threatened by racketeers who want him to use their records exclusively.
Diamond learns that a friend of his, a TV personality, is undergoing marital problems and that his wife may be out to kill him.
A terrified woman calls Diamond for help after her life is threatened, but by the time Diamond arrives to meet with her she has disappeared.
A nun asks Diamond to locate a missing young boy who is a member of a Dixieland band she has organized.
Diamond goes undercover as a casino worker in order to find a priceless jewel that has been stolen.
Diamond discovers some unpleasant facts about a young woman who was murdered after he talks to her roommate, a dance hall hostess.
An old flame of Diamond's comes to him hoping to hire him to find out who is attempting to blackmail her.