A detective investigating kidnapping case discovers the victim, who may be a zombie.

Private eye Dold, a specialist in surveillance tasks, is sent to investigate a Frankfurt bordello boss. He's a pain in the butt for many in the red-light district and is to be overthrown to pave the way for financially strong speculators to lucratively redevelop the area. Dold, who always saw his work as morally justified, comes to doubt the rightness of his actions far too late.

After getting hired to probe a suspicious death in the small town of Wander, a mentally unstable private investigator becomes convinced the case is linked to the same 'conspiracy cover up' that caused the death of his daughter.

A seemingly good Samaritan hires a private detective to prove a teen sitting in prison on a murder charge is innocent. His investigation discovers deep corruption in a Connecticut town and finds the woman isn't everything she is pretending to be either.

Private detective Dirk Trent, a collector of cigarette butts, a "smooth" ladies man, a wearer of bad suits, and he's convinced there's more to an incident he caught on tape, where a man seemed about to murder his mistress with an axe. Delving deeper, the film enters some seldom-trodden territory as it slips easily into horror and sci-fi, while still maintaining the hilarious dialogue

Robert Mitchum stars as a down-and-out ex-cop whose entanglement with a shady casino owner leaves him one step behind a killer.

In Puerto Rico to investigate a glut of contraband diamonds that are flooding the world's jewel market, Mr. Moto and his sidekick, a wrestler, find themselves involved in murders by thrown daggers, the frame-up of an overstressed Army colonel, and a pirate gang led by an unknown boss who has inside knowledge of the ensuing investigation.

Detective James Lee Wong must find the "Eye of the Daughter of the Moon," a priceless but cursed sapphire stolen in China and smuggled to America. His search takes him into the heart of Chinatown and to the dreaded "House of Hate" to find the deadly gem before it can kill again.

A young college student is found stabbed to death,and private detective Vares life takes an interesting turn when the girls family asks him to investigate the case.

John Rosow drinks to forget. He is a former New York City cop turned Chicago-based private investigator. At the last minute, he is hired by someone he's never met to follow a middle-aged male subject on the soon-departing California Zephyr train to Los Angeles.

Wonderful idea to give a party with people who dislike each other. Late at night, everyone decides to go into the pool, except Stamm, who is drunk. Montague dives in as does Greeff and Leland, but only Greeff and Leland come out. Montague is no where to be found so Leland suspects foul play and calls the cops. Luckily, Philo is with the D.A. and comes along, but they do not find Montague. When they drain the pool the next day, they find nothing except what looks like dragon prints. Philo has his suspicions and tries to piece the clues together to find out what has happened.

Private detective and former football player Harry Moseby gets hired on to what seems a standard missing person case - a former Hollywood actress wants Moseby to find and return her daughter. Harry travels to Florida to find her, but he begins to see a connection between the runaway girl, the world of Hollywood stuntmen, and a suspicious mechanic when an unsolved murder comes to light.