Deposits of "Nitrolene", a high-energy fuel, have been discovered in swampland near Duval's Landing in the bayous of Louisiana by Dr. Hartman, who signs an agreement with developer Herman Einreich. After getting the map locating the deposits, Einreich has Hartman killed by his henchman Cassard and departs for Duval's Landing on the riverboat Morning Glory.
Airmail pilot Bob Lee, owner of a gold mine, faces off against "The Black Hawk" who has kidnapped Jimmy Ross, Bob's best friend. The Black Hawk carries out a series of attacks on Bob's ore shipments by air, using an unusual catapult device that launches aircraft into the sky to intercept Bob's aircraft. With his sweetheart, Mary Ross, Bob constantly battles against his enemy, and eventually is able to defeat him.
As summarized in a film publication, Laurie Devon (Mayo) is a New York playwright who, having had one success, refuses to work on another play. One night he sees a woman (Anderson) in an apartment across the street take out a gun and place it to her forehead. He reaches her in time to save her, and she tells him that she is under some terrible evil influence, which she will not disclose.
Six introverted individuals, bored with their lives and trying to escape their daily routine, attempt to find a radical solution to their boredom by getting themselves admitted into a psychiatric hospital. Among these individuals are Maud, a bored trophy wife who feels trapped in a loveless marriage; Antoine, a sex-obsessed virgin; Alice, a woman whose only enjoyment comes from computers; Miranda, a paranoid exhibitionist whose inhibitions make her dislike being the center of attention; Paul, a fanatical right-wing conspiracy theorist; and Alan, an androgynous rapper. Upon arriving at the asylum, the six individuals are informed that…
Sam Jarrett, a middleweight boxing champion turned globe-trotting private detective, specializes in art crimes. He is tasked with tracking down the missing Book of Adam and Eve, a collection of rare biblical papyrus scrolls stolen from a museum. His nemesis is Cosmo Bastrop, a comic book enthusiast who owns a private island and brags about his large collection of obscure comics.
Trouble ensues when Lisa marries Henry, a British lawyer. Lisa's jealous ex-boyfriend Stephen decides to take revenge by convincing her that she has killed Diane, her husband's ex-girlfriend. Lisa gives Stephen the money he wants to keep quiet and dispose of the corpse.
Walter Calvert (Clark) calls upon his brother Henry at his eerie old house and demands a share of the family fortune, threatening to kill Henry if he doesn't get it. Within days, Henry's car goes over a cliff. Bob Stewart (Kent), a detective Henry asked to investigate the matter if he should die, begins his investigation accompanied by his pal Duke Ellis, a newspaper reporter.
On a transcontinental flight from California to New York, a police detective (Fred Kelsey), found slumped in his seat is, dead, poisoned. The passengers include Evelyn Vail (Florence Rice), a nurse on parole for a murder she did not commit. The victim had also died of poisoning.
A film detective believes he actually has the skills to solve a real life case. Bill Martin's (Jack Oakie) boasts irritate the real detectives of the Los Angeles police, as well as studio publicist Mary Strand (Ann Sothern), who loves Bill but doesn't appreciate the actor's arrogance. A mysterious killer known as the "Poison Pen" decides to murder Bill, annoyed with his last movie.
thumbnail|Frankie Darro and Mantan Moreland in Chasing Trouble (1940) Jimmy "Mr. Cupid" O’Brien and Thomas H. Jefferson are making deliveries for the local florist and manage to get a job for their unemployed friend, Susie Carey.
Kate (Victoria Clark), a chef, returns to her hometown to care for her mother Margaret (Sally Kirkland), a former journalist suffering from the early stages of dementia. Margaret forgets things and gets lost in places. What Margaret forgets is not revealed to the audience, with information being learned alongside Kate.
Jacqueline De Bellefort introduces her fiancé, Simon Doyle , to her wealthy friend Linnet Ridgeway in the hope that Linnet will give him a job. Instead, Linnet marries Simon herself and they head off for a honeymoon in Egypt . A bitter Jacqueline follows them to Egypt, appearing wherever they go.
Private Detective Philo Vance gets involved with a succession of murders and a mystery concerning the disappearance of an emerald that has been smuggled into the United States.
Inspector Gallagher of the United States Department of Commerce views a number of crashes and disappearances of the Goering-Gage Aviation Corporation aircraft as suspicious. With test pilot Jerry Blackwood, Gallagher visits the company. Jerry test flies Goering-Gage aircraft but finds nothing wrong.
The head of a drug company mysteriously disappeared after taking credit for a new anesthetic that actually resulted from the work of several doctors, and "the doctor who was to have operated on him is found mysteriously murdered by a surgical instrument."
Out of work when their play about a police inspector closes, actors Keith and Scooter are traveling by bus when they run out of money to go further. A passenger, Julie Graham, helps them find a room. They instead find a dead body, with police suspecting them of killing a rich businessman named Pratt.
Sir Richard Barclay, wealthy owner of the oceangoing yacht Sprite, invites a select party to accompany him on a pleasure cruise to the Azores. Among the guests are Diana Foster, whom Barclay desires though she despises him; Mrs. Townsend, Diana's protective aunt; Bruce Lloyd, the man Diana truly loves; Paul Hungerford; and Barclay's sister, Ruth.