Guy is recruited to join a top-secret spy organization 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.