Early 18th century. England is at war with the French. Nevertheless, duck-racing and pineapple-eating are thriving. A frail Queen Anne (Olivia Colman) occupies the throne, and her close friend Lady Sarah Churchill (Rachel Weisz) governs the country in her stead while tending to Anne’s ill health and mercurial temper. When a new servant, Abigail Masham (Emma …