Based on

Movies like Red Account 2: Dirty Play in a Closed Room (Hotel Lady Murder Case) (1988)

A hotelier killed a customer. The play in the hotel's closed room began with sudden violence. As if to ridicule the irresistible woman, a video camera or a horrendous torture device set up by the customer was being used. And then.., When the physical humiliation tore into the woman's heart, she turned into a weapon.