Yuko, now 50, lives a quiet life alone after divorcing her husband and sending her only son, Takashi, to study in Texas. One day, upon hearing rumors that his mother plans to remarry, Takashi rushes back from Texas to stop her. Determined to keep his mother by his side, he uses the ropes he brought from Texas to tie her up. Shocked by her son's actions, Yuko reflects on their past mother-son bond, yet gradually begins to recognize their connection in a new, twisted form of family intimacy. This story explores the complex ties between parent and child, and how a woman facing the twilight of her life confronts her deepest emotions.