Grace lives in a mansion in Jersey with her two children. She awaits her husband who is returning from fighting abroad in the Second World War. The children Anne and Nicholas have a sort of light sensitive disorder. Grace enforces a strict policy around the house to ensure they are kept away from the light and out of harms way. Everything seems peaceful but all is not what it seems. People have to close the door they entered from before opening another door to the next room. The house is haunted and three mysterious servants are given jobs at the house. Secrets unfold, there is a fire and Grace realizes something terrifying.
