Season 5 of the international hit finds the Crawley family and the staff struggling with responsibilities and choices as they adjust to life in the Roaring Twenties. The beloved ensemble cast includes Dame Maggie Smith, Elizabeth McGovern, Hugh Bonneville, Michelle Dockery, Jim Carter, Joanne Froggatt and others. Written and created by Julian Fellowes. Lord Merton delivers a bombshell to Isobel, and Mary does likewise to Tony. Police suspicions deepen in an unexplained death. Robert and Sarah lock horns.