Vengeance for Sale (movie, 2001)

In a world where vendettas are officially sanctioned, the people sometimes needed help in carrying out their vengeance. Sanada Hiroyuki stars as Sukeroku the Helper, a ‘cool and rambling yakuza’ that has made a business out of helping victims carry out their revenge. When he returns to his hometown to pay a visit to his mother’s grave he meets a deadly ronin who carries a secret which eventually leads him into a vendetta of his own.