Minami Murakami's husband, Hidekatsu Suzuki, is a successful corporate employee specializing in business acquisitions. While passionately devoted to his career, he also attempts to acquire small and medium enterprises and shops on his own. The brothel he recently acquired turns out to be a place closely tied to his colleague, Sasao, who had grown up with its owner. Desperate to buy back the establishment, Sasao pleads with Hidekatsu—but is coldly rejected. Enraged by his refusal, Sasao plots revenge by targeting Minami. One day, while her husband is away, Minami is suddenly ambushed and assaulted.