This is the little-known story of Mary Boleyn who was mistress to King Henry VIII before he married her older sister, Anne. Inspired by Philippa Gregory's novel of the same name, The Other Boleyn Girl is the story of great families jockeying for position and using their daughters as pawns in a deadly game. Set during one of the most notorious periods in British regal history, it is filled with passion and royal intrigue, with the relationship between two rivals, the Boleyn sisters, at its heart.