Thirty-three year old Lance Hunter has no memory of his past lives, but the scars of his former selves remain etched in his skin. As the only remaining Exorcist in London, Lance is hired to investigate a series of gruesome murders connected to a sinister cult. Accompanied by Gil, a mysterious policeman, Lance uses his spiritual powers to unravel the tangled truth of this case, unaware of the dark, sinister corners into which his new partner's twisted desires may lead.