"Gokusen: The Movie" is a Japanese film released in 2009, based on the popular manga and television series Gokusen. The story follows Yankumi, a young teacher who comes from a family of yakuza, as she takes on the challenge of educating a class of delinquent students. In the movie, Yankumi faces various obstacles while trying to connect with her students and help them grow. The film combines elements of comedy and drama, showcasing themes of friendship, loyalty, and the importance of believing in oneself.