Guernsey, 1985. Catherine Rozier is fifteen years old and a murderer. Scribbling frantically in her journal, she recounts the events that led to Nicolette's death, only to discover that history has been repeating itself. Charlie Rozier, a teenager during the German Occupation of the island, is frustrated by the lack of resistance to the occupying forces. Determined to fight back, Charlie sets on a path that will change the Rozier family's life forever.