Reiko, a teacher, finds herself in a prolonged period of marital ennui, her sense of self as a woman fading. With no conversation at home and her husband turning his back on her in the bedroom, she feels like an impersonal being, merely fulfilling the role of 'wife.' Meanwhile, one of Reiko's students, Nitta, rapidly improves his grades and begins to trust Reiko more than anyone else. Nitta responds honestly to Reiko's words, looks her straight in the eyes, and smiles happily at even the smallest encouragement. His pure yet dangerous passion reawakens Reiko's sense of womanhood…