Felicity Jones, Shailene Woodley and Callum Turner star in this romantic drama based on Jojo Moyes' bestselling novel. While researching her next assignment, newspaper journalist Ellie Haworth (Jones) stumbles upon a series of archived letters detailing the illicit love affair between American socialite Jennifer Stirling (Woodley/Diana Kent) and financial journalist Anthony O'Hare (Turner/Ben Cross) in 1960s London. After reading their letters, Ellie, with help from archivist Rory (Nabhaan Rizwan). endeavours to discover more about the story of the two lovers.