1927. Transatlantic flight fever grips the globe.The Honourable Miss Elsie Mackay, glamorous ex-film star turned bold aviator, sets her sights on becoming the first woman to fly across the Atlantic. Her friend Stella Campbell once felt at the heart of world events, but post-war hopes are frayed and marriage and motherhood have worn away her sense of self. Meanwhile, Stella's sister Corran, a determinedly single academic, or so it seems, keeps her emotions tightly guarded - until hidden truths begin to surface.For these intertwined lives, a daring journey and an uncertain future lies ahead in the landscape of a rapidly changing world.