Cora's playboy brother has got himself into a spot of bother and Robert has to make a trip to America to bail him out. Blake and Mary are forced to put aside their differences to deal with a new farming venture on the estate. When Violet is taken ill, help comes from an unlikely quarter. In spite of Mrs Hughes, Mrs Patmore and Carson's attempts to keep the peace, romantic tensions below stairs cause problems.
Maggie Smith, Michelle Dockery, Laura Carmichael, Joanne Froggatt, Hugh Bonneville, Phyllis Logan, Elizabeth McGovern, Jim Carter, Brendan Coyle, Penelope Wilton, Raquel Cassidy, Lesley Nicol, Sophie McShera, Robert James-Collier, Allen Leech