Robert visits a distant branch of his family in the country. But, when he and Max learn that a series of murders have occurred in the village—supposedly committed by a legendary demon dog—they suspect the involvement of Tenebrae.

Cast: Tom Bateman, Ruby Bentall, Neil Bishop, Duran Fulton Brown, Amelia Bullmore, Sinéad Cusack, Tim Downie, Kevin Eldon, Oliver Gilbert, Tom Rhys Harries, Stephanie Hyam, Christian McKay, Gretel Monger, Deborah Rosan, Donald Sumpter