Cora makes a discovery that throws the inheritance issue into chaos, and under pressure from her aunt Lady Rosamund Painswick, Mary is prompted to keep Matthew waiting for an answer to his proposal. Robert arranges for Mrs Patmore to see an eye specialist, and O'Brien digs up more compromising information about Bates, but the Earl's response to it comes as a surprise. Thomas leaves the Abbey and Mary exacts vengeance on Edith for her treachery, while the household is rocked by a shocking announcement. watch
Sybil's determination to pursue her political leanings lands her in great danger when a fight breaks out at an election results meeting. Matthew's tenderness in caring for the would-be suffragette is noticed by her sisters, but it is Mary who is stunned to receive a marriage proposal. Bates is cleared of suspicion over the stolen wine, but offers his resignation rather than name the culprit. watch
As the village prepares for the annual flower show, Isobel finds herself in conflict with Violet, and Mary is introduced to a potential suitor, but it would seem she only has eyes for Matthew. Anna realizes who is to blame when a valuable snuff box goes missing, and Mrs. Patmore tearfully reveals her fears to Carson that her career may be coming to an end. Meanwhile, O'Brien engineers a way for Edith to take revenge on Mary. watch