Marion and her ten year old son, Stuart, look after an old National Trust property while it is closed over winter where they have some unwelcome supernatural guests.

Marion and her ten year old son, Stuart, look after an old National Trust property while it is closed over winter. Stuart and his mother return from a visit to a psychiatrist who is intrigued by Stuart, as he draws his nightmares on scraps of paper that he then collects in jars. One night, a precious jar is broken and the nightmare within escapes into the large old house, where it stalks mother and son.