Gokusen: The Movie is a theatrically released finale to the 7-year, 3-season Gokusen NTV series starring Yukie Nakama as the heir to a yakuza family who becomes a teacher and discovers she has a knack for reforming troubled youth. Toei released it in Japan on July 11, 2009.
In the film, Yankumi’s new students have gotten mixed up with a street gang, and new 3-D leader Reita (Yuta Tamamori) is out for revenge. Meanwhile, recent graduate Ren (Haruma Miura) is suspected of being part of a drug deal, but it turns out to be part of an elaborate conspiracy.