Young Alec Albion plans to kill his rich uncle Edward "Eddie" Hale. He sets himself up in an apartment overlooking Eddie's and carefully times himself going from one room to another by use of a particular music record. He has a new young wife, Judith, but is visited in the flat by Sylvia, a woman with whom he is obviously on intimate terms.
John Ingram is a highly successful oil-field firefighter and a family man. It is a contented life, he has even bought his own oil well in hope of striking it rich. His greatest fears are realized, however, when a man, William Ramey, from his secret past sees Ingram in a newsreel and shows up looking for a job.
Chioma (Genevieve Nnaji) travels from Nigeria to the United States to aide her sister Anya (Omotola Jalade-Ekeinde) who is being charged with the murder of three men, including her own husband.
Arnold Rothstein gains a reputation in 1920s New York City as an expert gambler. He so impresses mob boss Big Tim O'Brien that he is given a job in his illegal enterprises. Rothstein has a lifelong pal, Johnny Burke, and makes a deadly enemy, Phil Butler, a corrupt cop.
When a district attorney who has been investigating a utility company's directors for fraud is suddenly killed, his wisecracking newspaperman friend (Pat O'Brien) gets curious. He and the upstanding new district attorney (Neil Hamilton) separately pursue the case. Cultivated but sinister businessmen, a shady nightclub owner specializing in "import and export", several beautiful young women always seen in evening gowns, a "Latin lover" type who reads Casanova and an abundance of suave men in evening dress provide eye-candy for the duration.
The film starts by showing the city streets of Korea-Town in New York and then goes straight into a room salon. Korean mobster Jin Ho Chun (Jun-ho Jeong) runs the place as a money launderer for the Korean mafia. Chun makes sure the room salon is running smoothly by taking care of customers.
Art dealer Henri Landru becomes infatuated with burlesque performer, Odette, who already has a lover and is only interested in Landru for money. She tricks Landru into thinking her mother is sick and needs money for an important operation. Landru vows to raise the money to fund the operation.
When his bookie pal Hal is killed, nightclub owner Dan Gannin intends to do something about it. His police pal Lt. Runson warns him not to take the law into his own hands.
Maurice Windermere, a blackmailer, is absconding to France with Mollie Ryder, one of his victims. While waiting for the train to take them to the cross Channel ferry, he is murdered by the husband of another one of his victims, railway detective Henry Camberley. Bridge engineer John Ryder, Mollie's husband, jealously searching for her, breaks into Windermere's room just after Camberley has killed Windermere and hidden him in a trunk.
An actor, Tim Ford, tries to persuade an ex-actress, his former girlfriend Anne Longman, to return to the stage. Her husband, Ralph, suspects that Ford's motives are more than just professional. The Longmans plan to exchange their country house with the house of a London couple for a few days, but when they reach the London address they were given, there is no house there, and they return to their home, fearing it has been robbed of their valuable paintings and objets d'art.
On her release from prison, Jean Berry sets out to find escaped convict Irma Randall, with whom she has a score to settle. She discovers Irma is running a boarding house for retired lady criminals, under the assumed name of Letty Frost. When Jean blackmails Lefty, she attempts to poison Jean.
Michael Shayne, a private investigator, flees from jury duty to prove the defendant's guilt. He and Judy Taylor, a reporter, begin looking into the suspect's alibis and discover that in addition to the murder he stands trial for, the man has also killed two others. Afterward, the detective is jailed for 60 days for defecting from the jury.
A federal agent and a New York City detective join forces with state trooper to break up a drug ring. Inspired by the real-life theft of the narcotics held in evidence of the French Connection case, discovered missing from the NYPD Property clerk's office in 1972.
Tony Giani is a Soho pimp who preys on young provincial women who come to London seeking work. Marissa Cooper, one such girl, has just arrived in London. Giani spots her and offers her a job in the Golden Bucket, a nightclub.
Music critic Sir Roderick Strood is having an affair with a beautiful singer, Elizabeth Anders. In a storyline which appears partly in flashback and partly in real time, his wife Daphne refuses to give him a divorce and subsequently tries to shoot herself, but after apparently becoming reconciled to the situation tells Roderick to leave the country with the singer and that she shall see him on the other side. Sir Roderick gives his wife a strong sedative, given him by his mistress, not knowing that his wife's housekeeper, Mrs Tucker, has already given her a sedative.
Novelist Geoff and his wife Sally rent an isolated countryside bungalow to enable Geoff to finish his latest book without the distractions of life in London. On their arrival, they are horrified to find a dead man in the property; before they can report the discovery they are confronted by Duke, a gangland boss, and his henchmen who have, it transpires, been using the empty property as a hide-out for stolen valuables which they are planning to smuggle out of the country. A rival gangster, Juan, also has his eye on the goods and has discovered their whereabouts.
A former soldier who was court-martialled during the Second World War sets out to murder the officers who passed sentence on him. After the lawyer who acted for the prosecution at the court martial receives threatening letters a newspaper reporter and his wisecracking girlfriend try to track down the killer.