Mysterious and unearthly deaths start to occur while Professor Saxton is transporting the frozen remains of a primitive humanoid creature he found in Manchuria back to Europe.

Robber Roy King loses his wife, Alicia, to revolutionary Montero. Despite their rivalry they collaborate in an attempt to rob the Mexican government of one million dollars.

A wealthy Englishman finds his third wife dead. After the police discover that his first two wives had also died suddenly, an investigation is launched. Meanwhile, a new neighbor moves…