A story about a brother and sister bound by blood who fall into a forbidden relationship. The sister, concerned about her brother's first sexual experience, wishes to teach him about sex using her own body. When the brother plans to spend the night with his first girlfriend, the sister intervenes with an overly involved attitude, leading them into an incestuous encounter. After the sister marries and they begin living separate lives, the brother secretly harbors romantic feelings for her. Not wanting to disrupt her new life yet desperate to sort out his emotions, he strongly desires to make love with her. The narrative captures the brother's intense longing for incest with his sister during the brief moments before her husband returns home.