Guy is recruited to join a top-secret spy organisation for the supernatural world. He must choose between his old life in the ordinary world and a new life as an undercover spy. Helen deals with trouble at the New York Mother House.
Guy joins the Talamasca, leaving his old life as a lawyer behind. Helen trains him on the ins and outs of undercover work. Guy is sent to London on his first mission: to follow a mysterious hit man.
Guy questions his trust in Helen and the Talamasca in the wake of a dangerous mission. Helen tells Guy the story of the Seven Five Two and its place in the history of the supernatural world. New information comes to light.
Guy confronts Jasper, dropping his cover. Jasper assigns him to locate the Seven Five Two in a vampire coven's hotel. Meanwhile, Helen digs into her history.
Jasper confronts Guy at London Mother House. Questions arise about Helen's intentions. Guy and Doris grow closer. Loren and Ridge near a crucial discovery.
In the wake of Jasper's actions against the Maida Vale, police take suspects into custody. Meanwhile, Helen makes a significant discovery about her own past.
