Despite being an icon of beauty and glamour, Lillie's marriage to Edward is a loveless farce. Even though Edward attempts to improve her surroundings, wardrobe and lifestyle, Lillie's heart has found another. She becomes quite close to "Bertie", the Prince of Wales, eliciting whispers of an illicit affair between the pair. After a brief trip back to Jersey, Lillie entertains the affections of Arthur Jones, a lifelong friend. But Lillie and the Prince can no longer exist apart. She is now his mistress. (thetvdb.com)