What secrets can an old house hide? A two-story cottage in the town of Kungsvik was the ultimate dream of the family of Fredrik Venneus. Until he discovered that a small man of unpleasant appearance lived in the closet under the stairs. Fredrik tried to survive the dirty tenant, but the nasty little Kvod was not going to leave his abode. Fredrik's life turned into a nightmare: his son spent more and more time in the company of Quod, running through the forest and shooting squirrels, and his wife brought the smell of basement mustiness to bed. Kwod killed Bodil Moline's dog, their friend, and later Bodil herself was found dead. But no one believed Fredrik that the man under the stairs was to blame for everything...