Renowned feminist writer Vita Sackville-West (Janet McTeer) and husband Harold Nicolson (David Haig) shared an open marriage, indulging in same-sex encounters and other taboo practices in an era of strict societal mores. Set in World War I Europe, this Masterpiece Theatre drama explores Vita's tumultuous affair with novelist Violet Keppel (Cathryn Harrison) in a brave true-story portrayal of lesbianism in the early 20th century.