In the much-anticipated sequel to the hugely popular 2019 film based on the beloved TV show, Dowager Countess Violet Crawley (Dame Maggie Smith) has some news to share with her son Robert (Hugh Bonneville): a mysterious man she met long before he was born has left her a villa. The entire family, along with some new arrivals, sets out on a grand journey to the South of France, all to uncover the secrets and lies behind their newly inherited home.