'Atonement with just the tiniest dash of Downton Abbey' Red magazine'Gripping and moving' Sunday TimesHauled in a cart to a field hospital in northern France in March 1916, an American woman wakes from unconsciousness to the smell of gas gangrene, the sounds of men in pain, and an almost complete loss of memory: she knows only that she can drive an ambulance, she can draw, and her name is Ste...