After their mother dies, David and Penny move to her family?s old house in the forest. Dad says it?s a fresh start but it feels sad and empty without Mum. And there are noises in the attic ? A small furry creature is living in the roof. There are other creatures too - less friendly ones - that seem to be multiplying. Only with Pog?s help can David and Penny save themselves - and goodness in the world. If they can resist promises from the darkness...