Framed for treason, the executioner of the Shogun is stripped of office and declared an outlaw. Together with his infant son, he sets out as a mercenary on a blood soaked journey of revenge against the secret society that murdered his wife and robbed him of his good name. With his life in ruins, and literally believing that he is in hell, he and his baby son have become Lone Wolf and Cub. An edited version of Sword of Vengeance was released in 1983 as Shogun Assassin this is the first UK release of the film in all its glory.