Nishi, a former delinquent and an ex-convict, runs a countryside rehabilitation facility for juvenile delinquents where they grow vegetables and do community work. Kaito, a junior high school delinquent who hangs out with criminals, is sent to Nishi's facility after vandalizing his school. Nishi tries his best to straighten out Kaito, but his old-fashioned and violent methods eventually cause his troubled past to get media attention.

黒井千次の「たまらん坂 武蔵野短篇集」を原作とする本作の主人公は、女子大生のひな子。小雨降る秋の日、寺の境内を歩いていた彼女は、母の墓前に1輪のコスモスの花が供えられていることに気付く。母がこの世を去ってから17年、祖父母も鬼籍に入っており他人の影を感じることがなかったため不審に思うひな子。そのとき携帯電話が鳴り、父の圭一から飛行機の欠航により墓参りへ来られないことを告げられる。

In 1838, the prisoners on Hachijo Island represent the furthest extreme of Japanese society. Instead of execution, they have been forced to eke out a dismal existence on the island, without help or support of any kind from those back on the main four islands.

Incredibly indolent cop Tomokawa spends his time making fun of his mentally challenged friend Sukemasa, riding his bike all over the city and sleeping with married women. But his whole world changes when he meets Yoko.