On a dreary night, in a 19th century manor outside London, Detective Inspector Grayson Helmsley leads the investigation. Baffled by the circumstances surrounding the deaths, he summons his good friend, Emmett Barclay, to the grisly scene.
Emmett is not a detective, but possesses a gift for crime solving, one that falls outside of the natural realm. Despite skepticism from many in the Metropolitan Police Service, including Grayson's partner, Emmett uses his unusual ability in the hopes of finding clues to the killer's identity. He soon discovers that things are not as they appear within the mansion's stone walls.
Will Emmett's gift shed light on the murders, or will it lead him into darkness where danger lurks and demons from his past await?