Corridors of Blood

London, 1840—Boris Karloff experiments with anesthetics and becomes an addict. Betta St. John, Francis Matthews. Directed by Robert Day., Horror thriller about a 19th-century doctor who becomes addicted to the drugs he is using when experimenting to make operations more bearable. After a failed demonstration of his new techniques, the doctor loses his job and his access to the drugs. Finding himself down on his luck in a seedy tavern, he is unable to refuse when two grave robbers offer to supply him with narcotics – but at a grievous price., A mild-mannered English doctor (Boris Karloff) is experimenting with anesthesia, but his plans go awry when he becomes addicted to narcotics. He conspires with two grave-robbers (Christopher Lee, Francis DeWolff) to trade drugs for signed death certificates, but finds himself being blackmailed.