London, January 1946, emerging from the shadow of the Second World War, writer Juliet Ashton is looking for her next book subject. She finds it in a letter from a man she's never met, a native of the island of Guernsey, who has come across her name written inside a book by Charles Lamb. As Juliet and her new correspondent exchange letters, Juliet is drawn into the world of this man and his friends. The Guernsey Literary and Potato Peel Pie Society...

"En un Londres devastado por las bombas y que empieza a recuperarse de las terribles heridas de la Segunda Guerra Mundial, Juliet Ashton, una joven escritora en busca de inspiración novelsca, recibe la carta de un desconocido llamado Dawsey Adams. El hombre, que vive en la isla de Guernsey, un pequeño enclave en el canal de la Mancha, está leyendo un libro de Charles Lamb que había pertenecido con anterioridad a Juliet. ¿Cómo ha llegado ese...

Based on the best-selling novel, Lily James (Mamma Mia! We Go Again, Cinderalla, Baby Driver) plays free-spirited writer Juliet Ashton, who forms a life-changing bond with eccentric Guernsy Literary and Potato Peel Pie Society when she decides to write about the book club they formed during the occupation of Guernsey during WWII.