The film begins in the present, with its heroine, Kaoru, a grown-up woman working as a real-estate agent, while helping out the folksy proprietor of a neighborhood fishing pond. There she meets a shy girl who needs her help baiting a hook and reminds her of herself in the fourth grade.
Next we see Kaoru as she was at that age, living with her obnoxious little brother, tense housewife Mom and feckless