Hertfordshire, 1928 – The paths of Tom and Alice collide. There's excitement and the beginning of a love story that finds its feet one moonlit evening... Paris, 1939 – Alice is living in the city but the pain of the last decade has left its mark. She and Thomas Stafford – now a world famous artist – meet once more... London, 1986 – Bestowed with an old portrait, Kate's journey into its past takes her far and into the heart of a love story that's life changing...