A few years after marriage, Aoi and her husband Shinichi, who have no children but are living happily, are visited by their brother-in-law, Mamoru, who has just decided to find a new job. "His boss invited me to play golf, but I've never played golf..." Golf with his boss, who could affect his future as a member of society. Shinichi, who can't stand Mamoru, asks Aoi to become his "coach", but... The next day, Aoi teaches Mamoru how to play golf. However, the coaching heats up and the distance between the two approaches.
