In the brutal chaos of the Second World War, three people find their lives inextricably interwoven in a web of courage, betrayal and love: Julie Lescaux, the young Englishwoman caught up in one of the most dangerous operations of the French Resistance; Paul Vasson, the vicious Paris pimp turned Nazi collaborator; and David Freymann, a German scientist caught up in unimaginable horror, destined to lose everything except his faith in his own discovery.