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.

A man investigates the disappearance of two of his friends who were the guests of a sinister Austrian count.

With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.

The story concerns two agents, one Mexican (PJF) and one American, who are tasked to stop the smuggling of Mexican migrant workers across the border to California. The two agents go undercover, one as a poor migrant.

The Marx Brothers help young Broadway hopefuls when they get mixed up with gangsters due to a tin of sardines containing Romanoff diamonds.

In post-war Europe, a diverse group of passengers aboard a U.S. Army train to bombed-out Frankfurt becomes involved in a Nazi assassination plot.

A struggling painter begins taking inspiration from the dreams of his friend and roommate, a comic book fan who narrates an adventure story while he sleeps, but unbeknownst to the latter, the artist of his favorite comic book lives in the same building as they do with the model for her drawings.

A small-town reporter investigates a mysterious group holed up in a country lodge.

When an abused wife grows to giant size because of an alien encounter and an aborted murder attempt, she goes after her cheating husband with revenge on her mind.