Zuo Ci, who runs a small company that manufactures and sells PC equipment, is currently living together with Rin, who is doing clerical work at the company, and is engaged to Rin. A bright future should have been promised to the two who lived modestly and happily. One day, some people who had a grudge against Zuoji kidnapped Rin in order to keep Zuoji away. A few days later, what arrived at Zuo Ci was a DVD that contained Rin panting while she was being strangled...
