At the edge of the enchanted forest of the Weald, lies Wychwood Hall. The Belmont sisters, Theo, Helena, Lydia and Margaret, have taken up their father’s mantle to guard against the dangers that lurk within. At the same time, Napoleon continues his rampage on the continent and the government seeks to tap the forest’s magical powers. Could there be a connection to a string of murders in the nearby villages? The sisters must find a way to save both the people they love, and England itself.