An erotic suspense film based on a story by Edogawa Rampo.The film stars Noriko Kijima (known for “A Little Cute Iron Maiden”) and Yuki Mamiya (from “Sweet Whip”) in dual leading roles, both taking on daring full-nude bed scenes.The legendary detective Kogorō Akechi is approached by Naoko Kuroki, daughter of a wealthy hospital director, who asks him to investigate whether her fiancé Endo is being unfaithful. Akechi’s wife and assistant, Matsushiro, begins her surveillance and discovers that Endo is having a physical relationship with Teruko Ōuchi, a female university student living in the same boarding house, Tōei-kan.Meanwhile, a mentally scarred young man named Saburō Gōda, who also resides at Tōei-kan, finds pleasure in sneaking into the attic and secretly watching the lives of others through a hole in the ceiling...