In a remote corner of Scotland, something momentous is underway. When Effie's father receives a government notice to quit Kirk Farm, the lives of the Ross family and those of the whole community are utterly disrupted. But for Effie – irrepressible, beautiful, vital – wartime changes bring her close to Toni, an Italian prisoner of war sent to work on the farm. Before long, the young couple are planning a future together when the war is finally over. It’s a future that's under threat from the start. For there are those among them who cannot quite be trusted. Someone is determined to find out what lies behind the upheaval – and to pass those secrets into enemy hands. To stop them will create devastation beyond anything anyone could have imagined.