Ryota is an unpopular writer although he won a literary award 15 years ago. Now, Ryota works as a private detective. He is divorced from his ex-wife Kyoko and he has an 11-year-old son Shingo. His mother Yoshiko lives alone at her apartment. One day, Ryota, his ex-wife Kyoko, and son Shingo gather at Yoshiko's apartment. A typhoon passes and the family must stay there all night long.
Matsuoi and his wife Tsuya moved to Oshima City because of her unpredictable character. Even though Tsuya continues to have affairs, Matsuoi loves her and is a devoted husband. Tsuya is then diagnosed with a cancer and later goes into a coma. Matsuoi then thinks of his wife's lovers. Matsui goes to those men and informs them of Tatsuya's condition. The other women in the lives of those men are shocked and begin to re-examine their views of their men.
Hikari Takabayashi is a hardworking call center agent for a home appliance company who apologizes continuously to customers, even to rude callers who call just to verbally insult her. She does, however, hide a secret. A love affair with her married boss. One day she was asked by one of her junior colleagues Mika, to take a call from a middle-aged woman named Kazuyo Miyawaki who calls frequently. Upon returning home exhausted after dealing with the caller, she noticed the nameplate on her neighbor's door, "Kazuyo Miyawaki"...
Hiroshi Tanaka sports an intense perm which looks like the afro hairstyle favored by some African-Americans back in the 1970's. He doesn't get his hair done at a hair shop, he was actually born with his hair like that. For freedom, Hiroshi moves to Tokyo. He works hard there and, even though he turns 24, he still doesn't have a girlfriend.
A son quits his job and is persuaded by his father to head off to a cottage in the remote mountains. Together, the two of them manage to get through their days while wearing old jerseys left by a deceased grandmother. The following summer, the two once again leave the stifling heat of Tokyo, as if escaping to the mountain cottage. However, the next summer is very different.
Sakiko, works independently at a travel agent in Tokyo. She was raised by her mother, Tatsuko, is hospitalized, Sakiko returns to her hometown Tokushima on Shikoku. The town is famous for its annual Awa Dance Festival. She is told by doctor, Terasawa Daisuke, that her mother has terminal cancer.