A voyeuristic gaze fixated on a couple's intimate moments. A desperate man hides and lives in the attic of the happy Higuchi household, watching them secretly every night. Starving for affection, he greedily devours the body of wife Saeko each night. The man's name is Taizo Shimoita, who used to be Saeko's boss but was laid off last month and became a wanderer. The story begins when Saeko allows Shimoita to reside in the attic.