Yuko, the wife of a company president, encounters a man stealing underwear while she is out on the balcony. However, the man suddenly lashes out at her instead, tying her up tightly to the clothesline pole. Realizing her husband hasn't returned home yet, the man begins to freely molest Yuko's body, leaving her half-naked and completely immobilized. Her cries for help go unheard, and one after another, more men arrive and brutally assault her. The situation grows increasingly dire as Yuko, defenseless and exposed, is relentlessly attacked by each successive intruder.