Awoken in the dead of night to assist his distraught friend Arkright, Carnacki finds himself unexpectedly thrust into a long-buried mystery from his childhood, and face-to-face with a man he hasn't seen in years: the Doctor.

But what is 'The House'? Why does everything Arkright touch transform into the same rotting furnishings and wallpaper? Can a man really be haunted by a building?