Emiko Koike, the wife supporting a dairy farming family in Hokkaido. During a trip to Hokkaido, she unexpectedly meets Taro Hibiya, and the two quickly hit it off, continuing to deepen their connection through emails afterward. However, Taro becomes consumed by his work and neglects family life, prompting Emiko to return to her parents' home in Saitama. One week after returning home, Emiko calls Taro and plans a two-day, one-night trip to Okutama. Amid nature's serenity, their intimate bond is destined to grow even deeper.