Kanae lived a mediocre life with her husband and two sons. My eldest son, Tatsuya, sees my husband masturbating in the living room because he is lonely because he will be away from home for a while on a long-term business trip. Tatsuya attacks Kanae and forcibly commits and crosses the line between parents and children. Kazuya, the second son, was looking into the whole story. When Tatsuya confesses that he wants to associate with his mother, Tatsuya takes out the aphrodisiac and plans to have Kanae at night. Kanae who resists is contained with an aphrodisiac, and the actions of her sons escalate.