Teacher Yuriko visits a student's home, only to find the family run by Kurayama, the owner of a soapland. He kidnaps Yuriko and, together with his son, takes control of her body, turning her into a soapland prostitute. For two weeks, she endures relentless assault and sexual abuse while humiliating videos and photos are recorded. Eventually, Yuriko is released and returns to her former life, but her body and mind are left deeply scarred by the ordeal.