Grave robber Belardi is looking for the book of the devil, buried in an unmarked grave 400 years ago. Whoever finds it will have control over Satan. A fellow grave robber helps Belardi find the book. The devil appears but manages to trick Belardi, of course.
"The papers of a noted hungarian surgeon are regarded as the most astounding record..." A very ugly man pleads for help through plastic surgery. His x-rays reveal him to be a "latent sub-human being". When operated upon, he might change into a werewolf. He does!
"When man dares bridge the gap in the world of the supernatural, he puts his life and soul in danger..." A man in China is fascinated by the "sacred statue of the living death". He buys it, although he has been warned that the price will be his soul. The statue takes possession of the man's mind and turns him into living stone.
A young american couple buy an old castle in Enland, complete with ghosts and vampires. Then they invite over their friends from London for a fanciful costume party. Mistaken for guests the vampires appear and murder the whole party.
To live on after his demise, the brain of a dying professor is planted into the body of an executed criminal. His gangster pals kidnap him to find the hidden money from their last robbery. Dramatic showdown on an airfield landing strip. The bad guys are killed, the professor's assistant regains control over the Frankenstein-like creature. Hidden from the public, it lives on scribbling formulas.