In Tokyo, one of the largest Yakuza families in existence hires a foreign mercenary, ex-SAS member, nicknamed the "Gaijin", to recover a parcel in possession of their rivals. However, the latter, who is considered a ronin by many yakuza, will discover that the "colli" is a child. Thus, he will make the decision to protect her against all those who would like to get their hands on him, whether they are from the Bratva, the Triads or even the Yakuza family who originally hired him ! All his life, the "Gaijin" has fought for no real reason and now that he has one... he won't let anything stop him, not even death !
