The uncle's descent into madness. A beautiful girl lover obsessed with bondage, his desires spiraling out of control. Dragging even his homeroom teacher into his web, forbidden and grotesque passions unfold. Inside a locked room, the girl's cries of "Uncle, please forgive me!" and "Teacher, help me!" echo endlessly. A decadent and brutal eroticism unfolds in this harrowing depiction of a schoolgirl's bound torment.