Mother had an abnormal habit of regularly sexually controlling her son. Fed up with this lifestyle, the son eventually loses control of his anger and assaults her. This incident further drives the mother's mind into despair, gradually pushing her toward madness. Ultimately, her possessiveness spirals out of control as she begins treating her son like a pet, imprisoning him as her own exclusive possession. Mother's sexual desires grow increasingly satisfied, her twisted love transforming into a dominant, controlling relationship.