This pre-Code comedy-thriller centers on Robert Holden, a broke and discouraged veteran, who meets fellow American Elinor Green at a cafe in Paris. After their first encounter, Holden's attempt to return Green's thought-to-be stolen purse ends up rendering him a stowaway on board a ship bound for America. Also aboard is a collection of characters, including Green's banker fiancé, a famed scientist, and an opera singer. Romance begins to blossom between Holden and Green, just as a radiogram claims that an “infernal machine,” or bomb, is aboard the ship. Quickly each passenger accuses the others of planting the bomb until eventually Holden, jealous of Green's attention to her undeserving fiancé, falsely admits to being the culprit. In his role as assumed perpetrator, Holden tests the group further.
A crowded inn means that a man and a woman must share the same room for a night. One problem is that they are both married - to other people. The other problem is that they used to be engaged to each other.
Infamous burglar "The Bat" commits a daring jewelry theft despite heavy police presence. Soon after, a bank theft occurs, which may be the work of the criminal as well. Meanwhile, Cornelia Van Gorder has various people arrive at her old mansion, including her niece, Dale, a bank employee, and police detective Anderson. When guests start turning up dead, Cornelia begins to suspect that The Bat may be lurking around the estate.
Ricardo, a young law student in his home town of Madrid, is a carefree playboy who loves nightclubs and courting pretty girls. His father hopes to instill a more serious attitude in his son by transferring him to a school in the rural town of Santiago. At Santiago, his father's old friend is to be his guardian. When Ricardo arrives at Santiago he joins a fraternity, and continues his carefree lifestyle while serenading and courting his guardian's daughter, Carmina.
Fly-by-night stage producer Bob Grant inadvertently saves the life of small-towner Thomas Maxwell. The grateful Maxwell invites Grant to move in with his family, which he does, rapidly wearing out his welcome. Finally booted out of the Maxwell household, Grant takes Tom's homely but sweet-voiced daughter Dora with him, giving her a cosmetic makeover and turning her into a big star -- and thereby repaying his host's kindness in a most roundabout fashion.
New York City tenement dwelling neighbors Blondie and Lottie are longtime best friends. When Lottie makes the cast of the Follies and moves up in the world, she arranges for Blondie, as well, to join the cast and gain the advantages. But the friendship goes awry when Lottie's sweetheart, wealthy Larry Belmont, falls for Blondie and she for him.
A Depression-downtrodden waif uses her brains instead of her body to rise from tyro con artist to crime boss.
On the wharfs of San Francisco, saloon girl Toy, also known as Mary, lives over Mother Bright's bar. When Como Murphy, a fugitive from the law, hides in her room, she falls in love with him. He explains that after he spoke out about the rights of man to a crowd, a riot ensued, during which a policeman was killed. Como took the gun from the killer, but is thought to be guilty of the crime himself. Como, who reciprocates Mary's love, spends the night with her, but leaves to keep her out of danger. He joins the crew of a ship sailing to China after he is befriended by Turk, a big lumbering sailor who is also in love with Mary. Each man is unaware that they love the same woman.
Grace Livingston is leading a happy life in her small town, with her mother and father, being courted by two men, the steady but predictable Tommy Tucker and the more ambitious, flashy, and worldly Dick Loring, who seems closer to Grace in his desire for travel and adventure.
Dr. Henry Jekyll believes that there are two distinct sides to men - a good and an evil side. He believes that by separating the two, man can become liberated. He succeeds in his experiments with chemicals to accomplish this and transforms into Hyde to commit horrendous crimes. When he discontinues use of the drug, it is already too late.
A producer puts on what may be his last Broadway show, and at the last moment a chorus girl has to replace the star.
Rufus T. Firefly is named president/dictator of bankrupt Freedonia and declares war on neighboring Sylvania over the love of wealthy Mrs. Teasdale.
A runaway heiress makes a deal with the rogue reporter trailing her but the mismatched pair end up stuck with each other when their bus leaves them behind.
Henry Frankenstein pieces together body parts in the hope of bringing a human-like creature to life. The mad scientist’s dreams are shattered by his monstrous creation awakening with rage to a world that hates and fears him.
A husband and wife detective team takes on the search for a missing inventor and almost get killed for their efforts.
An ex-convict tries to connect with the daughter who doesn't even know he exists.
Extra-marital fun and games at a convention of the Honeywell Rubber Company in Atlantic City. President J.B. Honeywell is to choose a new company sales manager. T.R. Kent and George Ellerbe are two salesmen who both want the job. However, they both get into trouble: T.R. is discredited when jealous saleswoman, Arlene Dale, interferes with his attempted seduction of Honeywell's daughter, Claire, and George attempts to seduce Nancy Lorraine. The position of sales manager is bestowed upon a drunken employee as a bribe after he catches J.B. about to visit "Daisy La Rue, Exterminator." Considered a lost film.
Prim professor Immanuel Rath finds some of his students ogling racy photos of cabaret performer Lola Lola and visits a local club, The Blue Angel, in an attempt to catch them there. Seeing Lola perform, the teacher is filled with lust, eventually resigning his position at the school to marry the young woman. However, his marriage to a coquette -- whose job is to entice men -- proves to be more difficult than Rath imagined.
In this classic German thriller, Hans Beckert, a serial killer who preys on children, becomes the focus of a massive Berlin police manhunt. Beckert's heinous crimes are so repellant and disruptive to city life that he is even targeted by others in the seedy underworld network. With both cops and criminals in pursuit, the murderer soon realizes that people are on his trail, sending him into a tense, panicked attempt to escape justice.
A beautiful temptress re-kindles an old romance while trying to escape her past during a tension-packed train journey.