Upon learning of his father's illness, Kozo decided to send his wife, Rin, to his hometown. At his in-laws' home, Taichi, a neighbor who had once been a reckless womanizer, took over the care of the ailing man. Gradually, Rin found herself drawn to Taichi's kindness and warmth. Meanwhile, Taichi, touched by Rin's gentle nature and pure heart, could no longer suppress the feelings beginning to stir within him. The mutual attraction between the two slowly deepened into an intense bond.