Charles Dunworth

One dark and stormy night, an escaped convict, an embezzler, a runaway daughter, her intended and her father, and a gangster take refuge in a remote inn called "The Black Raven" after the nickname of a second gangster who owns it; and murder ensues.

A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.

The town's leading citizen is a man victim of homicidal impulses beyond his control. He is being controlled by his wife who had left him for another man. She was involved in a car accident that has left her brain damaged and is kept in the basement, in secret, by Kessler's gardener.

The story is set in Cambodia in the years following WWI. Evil Count Mazovia (Roy D'Arcy) has come into possession of the secret methods by which men can be transformed into walking zombies and uses these unholy powers to create a race of slave laborers. An expedition is sent to the ruins of Angkor Wat, in hopes of ending Mazovia's activities once and for all. Unfortunately, Armand (Dean Jagger), one of the members of the expedition, has his own agenda.

A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Charles Irwin to find out who did it among all the suspects who were in the house.

Ruth Earlton has come home to her ancestral mansion to claim her inheritance. Accompanied by her boyfriend, she discovers that her father died suddenly under suspicious circumstances. Now it's her turn, as her deranged and relentless uncle targets her for death with the help of his wife and son, plus a very unhappy ape.