Born over a tofu shop in Osaka, twin sisters Reiko and Kyoko have very different characters. Reiko is diligent, and longs for a secure, middle class lifestyle. Kyoko is a free spirit, who seeks thrills and adventure.
Set in the mid-1970s, the film is based on the true story of Yoshiharu Yamaguchi, a teacher and former Japanese international rugby union player, who turned-around a failing high school in Kyoto, giving special attention to the rugby team, which included the most disruptive students among its members.
