Masami visited her daughter and son-in-law's home, hoping to see the couple reconcile and praying for the birth of her first grandchild. Acting with pure intentions, her presence unknowingly stirs hidden desires within her son-in-law. That night, staying as a guest, Masami relaxes with a bath, then lies casually on the bed in light clothing, completely unaware of her son-in-law's growing, uncontrollable emotions.