Hitomi Honjo plays a sexually frustrated married woman whose husband is away on a work assignment, leaving her alone with her son. Overcome by pent-up desire, she begins an incestuous relationship with him. Consumed by lust, she constantly seeks sexual contact, aggressively going after her son at every opportunity. Her insatiable appetite for creampie sex knows no limits, as she relentlessly satisfies her cravings. Gradually, both the son's mind and body are overtaken by his mother's overwhelming desire.