Las Vegas private eye Dan Tanna probes the murder of Marilyn Ochs, a teenage prostitute who ran away from home because she didn't get along well with her new step-father Merle.
Blackmailers drug a model and then take pornographic photos of her in order to force her to sign a management contract.
Dan is asked to find three women who lured a politician to a hotel in order to take compromising photos.
Dan suspects a greedy land speculator when wild animals, murder attempts and thugs beset Mother Mishkin.
The top suspects in the death of a reformed prostitute include three former loves: a folk singer, a tennis star and a construction tycoon.
A woman hires Dan to find her supposedly dead father, whom she thinks she saw in the back of the church during her wedding.
A glittering jewelry convention at the Desert Inn attracts many buyers and sellers to the dazzling array of pricey gems... as well as some cunning thieves who plan to rob a wealthy Sheik of his collection of valuable rubies. When Tanna gets drawn into the case, he encounters a seductive woman who may be involved in the caper.
Cocaine smuggler Marty Trafalgar tries to retire, but his former partner Wendell Milliken from Miami won't allow him to do so.
A serial rapist appears to be targeting contestants of the "Miss Casino" beauty pageant. A description of the suspect is of some help, but with the attacker still loose, Tanna reluctantly allows his assistant Bea to act as bait to try to nab the assailant.
Dan steps in when a white slavery ring run by a wealthy man kidnaps several chorus girls.
Faded singer Ginny Gordon's comeback is threatened, and her sanity imperiled, by attempts on her life. Is her former partner responsible for the attempts, or is a recent acquaintance terrorizing her?
A tennis star is threatened with possibly fatal injury unless he loses an upcoming $100,000 match.
A police officer teams with Dan to nab a killer recreating the 19th century murders of prostitutes by "Jack the Ripper."
A wheelchair bound, former Olympic athlete offers to pay ransom when his singer friend is kidnapped
A crippled Vietnam veteran hires two mercenaries to take his revenge against Dan, whom he blames for his wartime injury.
Dan suspects an Indian chief's death may be linked to a real estate mogul's attempts to buy up Indian land.
Dan gets a surprise visit from his childhood best friend, unaware that he's grown up to be a hit man who has a contract to carry out in Las Vegas.
Dan's surprised to learn that a high school guidance counselor is part of a ring leading teenage girls into prostitution.
Dan searches for a mysterious killer who attacks women he's involved with.
Binzer vows to track down the killer who murdered his girlfriend.
A distraught newlywed hires Dan to find her missing husband, who disappeared shortly after they had gotten into a minor traffic accident with a Government vehicle.
Dan can't seem to convince an old friend, a beautiful motorcycle daredevil, that the accidents befalling her are really attempts on her life.
Dan must protect a Middle Eastern princess from fanatics who disapprove of the government she represents.
