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
The fair arrives in the village and Mrs Hughes finds herself the centre of speculation when she meets a former suitor who makes her question her position at Downton. Meanwhile, Violet and Isobel lock horns over a medical ailment affecting Molesley, and Carson fears there is a thief at work in the grounds. watch
Everyone is anxious at the arrival of Matthew Crawley, the heir presumptive, but he soon encounters problems settling into his new life in Downton, and his mother Isobel immediately crosses swords with Violet. Meanwhile, butler Carson is mortified to be confronted with his past, and housemaid Gwen seems to have a secret correspondent. watch