The sudden suicide of the Crown Prince of Austria caused Holmes, who had been silent for six months. decoration) starts again. This time, Holmes has a powerful opponent-Professor Moriarty (Jared Harris), who is intellectually equivalent to Holmes. In order to investigate the Crown Prince's suicide case, Formos and Watson (Jude Law), with the help of gypsy astrologer Sim (Laomi Rapace Noomi Rapace), launched a competition with Moriarty across the European continent, from England to France, Germany... Although he is known as the smartest person, Professor Moriarty seems to be able to predict Holmes 'whereabouts and escape before Holmes. Everyone on Professor Moriarty's death list has been erased one by one, and history may be adapted. Faced with such a powerful opponent, how should Holmes respond?