It's Always the End of the World.

Max and Charlotte take a trip to a cabin once owned by Charlotte’s now deceased uncle. Buried in the bushes outside of the cabin, Max finds an old trunk stuffed with documents, audio cassettes and VHS tapes. The trunk’s contents point towards a half century of murder, secrets and abuse - Max slowly becomes obsessed as he grows closer and closer to learning the truth about the mystery, Britain’s past and the nature of life itself.