After losing her husband, Sakiko began working at a strip theater to support herself. As she grew accustomed to the job and gained confidence, her relationship with her teenage son, Keita, steadily deteriorated. One day, while walking through town with friends, Keita accidentally enters the strip theater and sees his mother performing a seductive dance on stage. Shocked and angered by this unfamiliar side of her, he gradually begins to recognize the depth of her devotion and sacrifice when he notices her earnest determination. Slowly, the emotional barrier between mother and son starts to break down.