Yu adores her adult son so obsessively that she cannot bear him brushing her aside. When she discovers he has booked a breast bar, jealousy drives her to arrive before him and secretly take a job there. Determined not to let another woman have him, she begins serving as his personal sex worker, following him through breast bars, soaplands, and men’s massage parlors in an escalating mother-and-adult-son incest role-play.