Autumn 1940, World War Two, the Blitz. Bombs are raining down, destroying the cities of Britain.
In London, children are being removed from their families and taken to the country for safety.
Teacher Eve Parkins is in charge of one such group, and her destination is an empty and desolate house that appears to be sinking into the treacherous tidal marshes that surround it.
EEL MARSH HOUSE
Far from home and with no alternative, Eve and the children move in.
But soon it becomes apparent that there is someone else in the house; someone who is far deadlier than any number of German bombs ...