A pianist about to flee from a duel receives a letter from a woman he cannot remember. As she tells the story of her lifelong love for him, he is forced to reinterpret his own past.

Young auto mechanic Dan Brady takes $20 from a cash register at work to go on a date with blonde femme fatale Vera Novak. Brady intends to put the money back before it is missed, but the garage's bookkeeper shows up earlier than scheduled. As Brady scrambles to cover evidence of his petty theft, he fast finds himself drawn into an ever worsening "quicksand" of crime.

In New York, Sheila Bennet and her spouse, Matt Krane, are trying to unload a trove of rare jewels they smuggled into America from Cuba, but the police are hot on the couple's trail. Meanwhile, government officials begin a desperate search for an unknown individual who is infecting the city with smallpox.

A family man – desperate for a job – latches onto a friend who encourages him into being a criminal.

Timeworn Joe Collins and his fellow inmates live under the heavy thumb of the sadistic, power-tripping guard Captain Munsey. Only Collins' dreams of escape keep him going, but how can he possibly bust out of Munsey's chains?

In the winter of 1938, Paris is crowded with refugees from the Nazis, who live in the black shadows of night, trying to evade deportation. One such is Dr. Ravic, who practices medicine illegally and stalks his old Nazi enemy Haake with murder in mind. One rainy night, Ravic meets Joan Madou, a kept woman cast adrift by her lover's sudden death. Against Ravic's better judgment, they become involved in a doomed affair.

A Shakespearian actor starring as Othello opposite his wife finds the character's jealous rage taking over his mind off-stage.

A white girl raised by Indians sets out to find out who murdered her adoptive parents.

Merle Kramer works as a stenographer for a psychiatrist. She is casually dating Karl Benson, a private eye and former cop. Merle mentions in passing that one of her boss's patients is an author with recurring dreams of murdering his wife, and she includes the fact that the wife owns valuable jewels. When the wife is found murdered in a manner identical to that of her husband's dream, the husband is naturally the prime suspect. But as the investigation of the police and insurance investigator Joe Cooper proceeds, it turns out that several people in the case, including Merle, are not what they seem.

Wide-eyed and poor young Leonora weds an obsessive millionaire named Ohlrig, but the marriage is loveless. Even worse, Ohlrig seems to have manic, violent tendencies. Eventually, young Leonora escapes her unhappy life and begins working with New York City doctor Larry Quinada, who she soon falls for. Unfortunately, Ohlrig refuses to grant his wife a divorce, and things get even darker for Leonora when she realizes she's pregnant with his child.