17th century: A wall is being built around the great Wychwood house. Wychwood is an enclosed world where everyone has something to hide after decades of civil war, where dissidents shelter in the forest and migrants, fleeing the plague, are turned away from the gate. Three centuries later: Another wall goes up, dividing Berlin. A little girl, Nell, observes all whilst growing up at Wychwood. As the Berlin wall comes down, a lone refugee seeks safety in Wychwood...