R.C. Hayes has settled into his job with the FBI, and put behind him the strange incident that ended his military career. But when he and his partner are sent to the Flathead Indian Reservation in Montana to look into a murder, events take an unsettling and eerily familiar turn. R.C. struggles to solve the case as deaths pile up around him and as the situation takes a decidedly unnatural cast. With the help of a mysterious new ally, he may finally come to terms with what happened to him long ago-and enter a strange new career he is uniquely suited for. Provided he can survive the incursion of supernatural elements into his supposedly safe and mundane world. This is the second full-length novel in the O.C.L.T. series. It joins the novellas "Brought to Light" by Aaron Rosenberg and "The Temple of Camazotz" by David Niall Wilson, and the novel "The Parting," also by David Niall Wilson, in setting the stage for further adventures. Each of these works can be read and enjoyed independently but also introduces another facet of the O.C.L.T. team; "Incursion" draws the loose ends together, establishes a base, and determines leadership for the fledgling agency.