Victorian Undead horde of zombies. Being driven to a corner while learning that shooting the zombies in the head will effectively dispatch them, Holmes and Watson are saved by the arrival of heavily armed and armored Royal Marines led by the former's brother, Mycroft Holmes. After saving Holmes and Watson, Mycroft escorts them to the surface and proceeds in providing them answers. As Holmes and Watson are being escorted, Sebastian Moran spies them from afar and travels to Whitechapel, where he reports his news to his master - an undead Professor Moriarty. At the Diogenes Club, Mycroft debriefs Holmes and Watson of
Sherlock (TV series) them of his value. In part through Watson's blog documenting their adventures, Holmes becomes a reluctant celebrity with the press reporting on his cases and eccentric personal life. Both ordinary people and the British government ask for his help. Although the series depicts a variety of crimes and perpetrators, Holmes' conflict with nemesis Jim Moriarty (Andrew Scott) is a recurring feature. Molly Hooper (Louise Brealey), a pathologist at St. Bart's Hospital, occasionally assists Holmes in his cases. Other recurring roles include Una Stubbs as Mrs Hudson, Holmes and Watson's landlady, and series co-creator Mark Gatiss as Holmes' elder brother Mycroft.