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.

During World War I, a group of British miners are recruited to tunnel underneath no man's land and set bombs from below the German front in hopes of breaking the deadly stalemate of the Battle of Messines.

The worst teachers of France landed in England for an ultra-secret mission. With Boulard, the King of the Dunces, they are parachuted in the best school of the country, and they will apply their famous methods on the future of the nation.