Northern England, 2010. After a tragic accident upends her life, Kate Mercer leaves London to work at an old guest house near the Scottish border, where she hopes to find a fresh start and heal from her loss. When she arrives, she begins to unravel the truth about her past, but discovers the mysterious elderly proprietor is harbouring her own secrets... Berlin, 1938. Audrey James is weeks away from graduating from a prestigious music school in Berlin, where she's been living with her best friend, Ilse Kaplan. As she prepares to finish her piano studies, Audrey dreads the thought of returning to her father in England and leaving Ilse behind. Families like the Kaplans are being targeted, and the stakes grow higher by the day. Restrictions tighten, the borders close to Jews, and rumours swirl about people being apprehended in the street and shipped off to work camps. When Ilse's parents and brother suddenly disappear, two high-ranking Nazi party members confiscate the Kaplans' upscale home, believing it to be empty. In a desperate attempt to keep Ilse safe, Audrey becomes housekeeper for the officers while Ilse is forced into hiding in the attic--a prisoner in her own home. As war in Europe threatens, it isn't long before a shocking turn of events pushes Audrey to become embroiled in cell of the anti-Hitler movement: clusters of resisters working to bring down the Nazis from within Germany itself. But resistance comes with risk, and before the war is over, Audrey must decide what matters most: saving herself, her friend, or sacrificing everything for the greater good.