In England in 1939, Margaret (known as Peggy) and Tom are innocent sweethearts. Then comes a war, which affects the lives of everyone in the country, and which causes the young couple to part. When Tom is reported missing, no one knows what has happened to him. But now its 1945, and a letter arrives. Will the lovers be reunited after all these years? In a story told mainly through the medium of letters, Margaret and Tom must confront the changes that have taken place in their lives as the trauma