Japan. 1880. Inunaki, a lost and abandonned village fears the habitants of Tokyo and Kyoto. Investigations and missions have been organised by the director of Tokyo police : Shin Kitsugo. But fails after fails, day after Days, the persons in thé squads changed, they became violent, they killed members of their Family, or friends, they all did différents ghastly things. But after, they all commited suicide. After all those loses and fails, Shin called the best americans detectives: Cole mcGree, aka « cassidy »....and investigators, to investigate one last Time.