Five mother-daughter pairs visit a certain famous oil massage parlor. "My daughter is like me and puts on weight easily," "I want to help her relieve the stiff shoulders caused by studying for exams," they say, just the feelings of a parent who cares for their daughter. However, the male massager's hands go beyond the boundaries of a massage and move towards obscene sexual parts. The young girls, glistening with oil, get excited even though their mothers are waiting in the next room...