Akemi, who looks after Ikuta as a probation officer, has developed special feelings for him because he happens to resemble her late husband. Wanting to avoid making the same mistake twice, Akemi makes two promises with Ikuta. One is to reform and never go astray again, and the other is to offer her anus to him. Meanwhile, her son Ikuo, dissatisfied with his mother for not caring about him, conspires with his delinquent friends and comes up with a plan against Akemi...