A series of experiments cause a scientist to go ape.
A glowing meteor lands on the icy plains of Lappland in the north of Sweden, the authorities are alerted of the phenomenon, but all is not as it seems; this is not a normal meteor.
The film stars Barbara Steele in dual lead roles. The film has several variations in the title and is also known as Night of the Doomed in the United Kingdom, Lovers from Beyond the Tomb and The Faceless Monster.
When a wealthy man (Lionel Atwill) is threatened by a killer known as The Gorilla, he hires the Ritz Brothers to investigate. A real escaped gorilla shows up at the mansion just as the investigators arrive. Patsy Kelly portrays a newly-hired maid who wants to quit because the butler, played by Bela Lugosi, scares her.