Mary endeavours to build bridges but Edith's secret continues to pose a threat, even after she thought there was nothing left to lose. As Henry settles into the role of husband and stepfather, the scars left by Charlie's death are slow to heal, and finding his place at Downton proves more difficult.

Cast: Hugh Bonneville, Laura Carmichael, Michelle Dockery, Elizabeth McGovern, Maggie Smith, Jim Carter, Matthew Goode, Glyn Angell, Charlie Anson, Matt Barber, Antonia Bernath, Samantha Bond, Dilyana Bouklieva, Patrick Brennan, Raquel Cassidy