Jun 6, 2021
Newlyweds Peter (David Manners) and Joan Alison (Julie Bishop), on their honeymoon in Hungary, learn that due to a mixup, they must share a train compartment with Dr. Vitus Werdegast (Béla Lugosi), a Hungarian psychiatrist. Eighteen years before, Werdegast went to World War I, never seeing his wife again. He has spent the last 15 years in an infamous prison camp in Siberia. On the train, the doctor explains that he is traveling to see an old friend, Hjalmar Poelzig (Boris Karloff), an Austrian architect.
Later, the doctor, Peter, and Joan, share a bus, which crashes on a desolate, rain-swept road. Joan is injured, and the doctor and Peter take her to Poelzig's home, built upon the ruins of Fort Marmorus, which Poelzig commanded during the war. Werdegast treats Joan's injury, administering the tranquilizing drug hyoscine, causing her to behave erratically. While Peter puts her to bed, Werdegast accuses Poelzig of betraying the fort during the war to the Russians, resulting in the deat…