Based on the acclaimed novel. 1944: The D-Day landings have failed, and the German Wehrmacht has invaded Britain. The country is now under enemy occupation. In a remote valley in the Black Mountains of Wales, the women awake to discover that the men of the village have vanished during the night to serve in the covert British Resistance. As a harsh winter approaches, the women and German occupiers are forced into an uneasy alliance to survive. Starring Andrea Riseborough, Iwan Rheon and Michael Sheen.