When the villagers of Klineschloss start dying of blood loss, the town fathers suspect a resurgence of vampirism. While police inspector Karl remains skeptical, scientist Dr. von Niemann cares for the vampires victims one by one, and suspicion falls on simple-minded Herman Gleib because of his fondness for bats. A blood-thirsty mob hounds Gleib to his death, but the vampire attacks dont stop. Written by Sister Grimm

Kindly soup kitchen operator and professor of criminology Karl Wagner uses his soup kitchen as a front for a criminal gang who commit a series of daring robberies and murders. When things get out of hand, Wagner kills his henchmen, who wind up as zombies in the cellar of the soup kitchen. Written by Wheeler Winston Dixon

A scientist becomes murderous after discovering, and being exposed to the radiation of, a powerful new element called Radium X.

Greedy heirs gather to wait for the death of Henrietta Winslow. Murder, thunder claps, howling cats, gun shots, screams in the night, hidden passages -- all the proper ingredients. Written by Ed Stephan

When his friend Professor Kingsley is at deaths door, brain surgeon Dr. Sovac saves his life by means of an illegal operation that transplants part of injured gangster Red Cannons brain. Unfortunately, the operation has a disastrous Jeckll and Hyde side effect and under certain conditions the persona of Cannon emerges. Sovac soon learns of the duel personality and of half a million dollars the gangster has hidden away. He attempts to find the money through the manipulation of his friend, an attempt that brings Kingsley closer to madness as he alternates between a meek professor of English and a brutal gangster out for murderous revenge on those who tried to kill him. Written by Carlos Valverde

Shipping magnate Cyrus Wentworth, downcast over a disaster to his ocean liner 'Wentworth Castle' (carrying, oddly enough, an illicit shipment of Chinese bonds) is shot in his office...at the very moment of kicking out his daughter's fiance Dick Fleming. Of course, Captain Street arrests Dick, but reporter Bobbie Logan, the attractive thorn in Street's side, is so convinced he's wrong that she enlists the help of detective James Lee Wong to find the real killer. Written by Rod Crawford

A master criminal terrorizes the occupants of an isolated country mansion.

When a nobleman is murdered, a professor of the occult blames vampires, but not all is what it seems.

Eight people are invited to dinner in a fashionable penthouse apartment. After they are wined and dined, a voice on the radio informs them that they will be murdered unless they manage to outwit the ninth guest: Death.

دانشمند دیوانه‌ای که در جنگل‌های آمریکای جنوبی کار می‌کند، وقتی احساس می‌کند که جنون انجام کارهای بزرگ او در خطر است، همکارانش را کوچک می‌کند...