In 1928, Tom and Alice meet in Hertfordshire and in the light of the silvery moon, their love story begins. Eleven years later, Alice is living in Paris. A dark shadow is about to engulf Europe just at the time she reunites with Tom, now an international artist. London, 1986, Kate Darling inherits a portrait of her grandmother. This leads her on a journey to uncover secrets from the past, which end up revealing an epic love story.