Melodrama detailing the real-life love affair between feminist writer Vita Sackville-West (Janet McTeer) and novelist Violet Keppel (Cathryn Harrison) against the backdrop of post-World War I England and opposition by Vita's politican husband Harold Nicolson (David Haig). Vita and Violet's romantic relationship becomes increasingly obsessive which spawns destructive feelings of possessiveness and jealouy between them.