A mathematician and author, Luke Williams, is travelling up to London on a train when he meets a old lady, Lavinia Fullerton, who is also going to London, to Scotland Yard. Lavinia tells Luke that in her small village several people have died. The local police are certain that it was all accidental and are taking no action but Lavinia isn't convinced. In London Luke watches, ho...。当家人被杀后,一名年轻人开始训练,准备为家人报仇。为了寻找凶手,他一路走访了犯罪黑社会。。