Masterpiece Classic S01E01 - The First Churchills: The Chaste Nymph

John Churchill is an able soldier who has proved himself on many occasions and is a favorite of Kings on both sides of the English Channel. He quickly became a senior officer, based on his skill and not his aristocratic background. He was also a ladies man having affairs with several aristocratic ladies including King Charles II's mistress, the Duchess of Cleveland. At a ball he first meets Sarah Jennings, a pretty young girl who has the good fortune of having the support of Mary, the second Duchess of York.