In the winter of 1952, Isabel Carey moves to the East Riding of Yorkshire with her husband Philip, a GP. With Philip spending long hours on call, Isabel finds herself isolated & lonely as she strives to adjust to the realities of married life. Woken by intense cold one night, she discovers an old RAF greatcoat hidden in the back of a cupboard. Sleeping under it for warmth, she starts to dream. & not long afterwards, while her husband is out, she is startled by a knock at her window. Outside is a young RAF pilot, waiting to come in. His name is Alec, & his powerful presence both disturbs & excites her. Her initial alarm soon fades, & they begin an intense affair. But nothing has prepared her for the truth about Alec`s life, nor the impact it will have on hers...