As Britain prepares for an imminent invasion, the murder of a celebrated Arctic explorer leads to the discovery of a web of Nazi spies on the south coast. July, 1939. Newlywed Olivia Denis Redmond plans to spend a peaceful honeymoon in the country before war rips her soldier husband away. But when she finds a dead body in the midst of a blackout, Olivia is drawn into the investigation. Since the police inspector isn't...