Dr. Frankenstein and his monster both turn out to be alive after being attacked by an angry mob. The now-chastened scientist attempts to escape his past, but a former mentor forces him to assist with the creation of a new creature.

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.

Frankenstein's unscrupulous colleague, Dr. Bohmer, plans to transplant Ygor's brain so he can rule the world using the monster's body, but the plan goes sour when he turns malevolent and goes on a rampage.

An American woman falls in love with a romantic Parisian head waiter who tries to save her from her possessive wealthy ex-husband who wants to keep her under his control.

An insane surgeon's obsession with an actress leads him to replace her wounded pianist husband's hands with those of a knife-throwing murderer.

In France, 1917, an alcoholic captain is afraid that his new replacement, his sweetheart's brother, will betray his downfall.

A romance develops between a happily married middle-aged British politician and an adventurous young aviatrix.

A man with a broken back dies after his wife has an affair with his brother.

A British officer stationed in Ireland falls for the wife of an intelligence man.

An Englishman impersonates an imprisoned German officer and "returns" to Germany to become a national hero. A female German spy is assigned to check him out but falls in love with him.