Horrors of Malformed Men (1969)

Horrors of Malformed Men 1969 / 江戸川乱歩全集 恐怖奇形人間 1969 / Horror of a Deformed Man , Kyôfu kikei ningen: Edogawa Rampo zenshû , Horror of the Malformed Men

After escaping from an asylum, young medical student Hirosuke assumes the identity of a dead man in order to solve the mystery of a weird doppelganger whose picture he sees in the newspaper. Traveling to faraway Panorama Island, he discovers a mad scientist surgically remaking normal human beings into misshapen monsters…but that is only the beginning. Hirosuke soon learns the horrible truth about the island and his own family’s shameful past, and finds himself plunged into the depths of incest, murder, and madness.