As WWII looms, a wealthy widow hires an amateur archaeologist to excavate the burial mounds on her estate. When they make a historic discovery, the echoes of Britain's past resonate in the face of its uncertain future.
When Mary finds herself at the center of a public scandal and the family faces financial strife, the entire household grapples with the threat of social disgrace. The Crawleys must embrace change as the staff prepares for a new chapter with the next generation leading Downton Abbey into the future.
