Harper is a cynical private eye in the best tradition of Bogart. He even has Bogie's Baby hiring him to find her missing husband, getting involved along the way with an assortment of unsavory characters and an illegal-alien smuggling ring.
Three detectives in the corrupt and brutal L.A. police force of the 1950s use differing methods to uncover a conspiracy behind the shotgun slayings of the patrons at an all-night diner.
A series of ghastly murders are being committed. The one similarity in each of the murders is that a weird buzzing sound is always heard right before the murder occurs. Is the killer invisible or possibly some other incredible creature?
Dan Adams resigns his position as prosecutor on the district attorney's staff and sets out to clean up a gang of fake-accident racketeers. He gets a job with an insurance company, and assures the company president he will get the goods on the gang or die in the attempt. At the company offices, he meets Carol Carter and she, believing he is a shyster (possibly redundant) lawyer in the employ of the racketeers gives him as little help as possible. Dan visits his brother Eddie, who is mixed up with the gang and tries to make him break away. Eddie is belligerent but finally, because of the pressure brought by Dan and his wife Tonia, agrees to go straight. The gang, led by "Duke" Trotti, fears he will squeal and they kill him, plus they make his death look like an accident and plan to collect on it. Dan is closing in on the gang when Carol, who is now his assistant, comes up with some conclusive evidence, but "Duke" has plans to get rid of her before she can give the information to Dan.
A retiring detective tries to discover the identity of a half charred woman found in front of a District Attorney's boat who is pursuing a child serial killer.
A French diplomat who's recovered from amnesia is blackmailed over crimes he can't remember.
A secretary (Gloria Stuart) solves a murder for her boyfriend (Michael Whalen) in the district attorney's office.
Lila, a famous retired singer, loses her memory after suffering an accident, just as she planned her return to the stage.
A lawyer is framed for the murder of a young party girl and tries to clear his name.
An investigator for the District Attorney's office quits to open his own detective agency. However, business is so bad that he finally decides to give it up and go back to his old job. As his wife is at his office closing up, a wealthy society matron walks in with a case: she wants to know if her husband is having an affair with his ex-girlfriend, who is now married. The wife accepts what looks to be an easy case, figuring than she can then persuade her husband to re-start the agency. However, when the client's husband is found murdered, she decides to investigate the murder herself. Her husband has also been assigned by the D.A. to investigate the murder, and he doesn't know that his wife is also on the case. Complications ensue.
A diamond is stolen at a houseboat party given by the district attorney. He gives the thief a chance to return it by putting an empty box on a table and turning out the lights. When the lights are turned back on the box is gone, and the district attorney has a knife in his back and is quite dead. The police and the coroner arrive. There are several attempts made on the life of the coroner. Ruth Whitman is found hiding in a grandfather-clock, holding the gem box. She claims the box was pushed into her hands and she was pushed into the clock. The district attorney's butler/valet tells the coroner he saw who killed his employer and a few minutes later he is also murdered. The mystery deepens.
A man on the run in the Far East is mistaken for an undercover cop.
A nightclub singer, taking pity on a blind soldier, pretends that she is the woman he once loved before he was wounded.
When Jack, an assistant District Attorney, takes Lee, a shoplifter caught in the act, home with him for Christmas, the unexpected happens and love blossoms.
An old-time crook plans a heist. When one of his two partners is found out to be a black man tensions flare.
Three childhood friends, Martha, Walter and Sam, share a terrible secret. Over time, the ambitious Martha and the pusillanimous Walter have married. She is a cold businesswoman; he is the district attorney: a perfect combination to dominate the corrupt city of Iverstown at will. But the unexpected return of Sam, after years of absence, deeply disturbs the life of the odd couple.
Bootleggers on the lam Frankie and Noll split up to evade capture by the police. Frankie is caught and jailed, but Noll manages to escape and open a posh New York City nightclub. 14 years later, Frankie is released from the clink and visits Noll with the intention of collecting his half of the nightclub's profits. But Noll, who has no intention of being so equitable, uses his ex-girlfriend Kay to divert Frankie from his intended goal.
A young district attorney seeking to prove a case against a corrupt police detective encounters a former lover and her new protector, a crime boss who refuses to help him.
Down-on-his-luck John Ellman is framed for a judge's murder. After he's convicted and sentenced to death, witnesses come forth and prove his innocence. But it was too late for a stay to be granted and Ellman is executed. A doctor uses an experimental procedure to restore him to life, though the full outcome is other than expected.
New York City detective Daniel Ciello agrees to help the United States Department of Justice help eliminate corruption in the police department, as long as he will not have to turn in any close friends. In doing so, Ciello uncovers a conspiracy within the force to smuggle drugs to street informants.