Set against the backdrop of World War II, a sweeping, atmospheric novel of sacrifice, ambition, and commitment, and the secrets we keep from the ones we love It's 1927 when Alec and June meet as children in a tranquil English village. Alec, an orphan, anchors himself in the night sky and longs for adventures. June memorizes maps and railway timetables, imagining a future bright with possibilities. As the years pass, their loves feels inevitable, but soon the Second World War separates them. Alec enlists as a Royal Air Force pilot flying daredevil fighter sorties at night; June finds her calling as a codebreaker at Bletchley Park, covert work that will mean keeping her contribution to the war effort a secret from Alec forever. Each is following a dream-but those dreams force them apart for years at a time.