During World War II, an Englishwoman (Gemma Arterton) opens her heart to an evacuee after initially resolving to be rid of him in this moving journey of womanhood, love and friendship.

When star athlete Abel Guérin is found dead in a small Alpine village with a gunshot wound to his head, Parisian police captain Awa Sissako is dispatched to support local lieutenant Achille Salvi and make sense of the young man's mysterious death.