Spanish flu reaches Downton, and desperate Thomas looks for a way to re-establish himself. Ethel faces a dilemma when the Bryants return with a heartbreaking proposition. Decisive, Anna forces Bates to think about their future.
A new development stuns the family. Sybil and Branson try to keep their secret safe. Carlisle puts Anna in a difficult position; Bates is left reeling from the news about Vera, and Thomas embarks on a new money-making scheme.
The inside story of the award-winning drama series including a look at key filming locations.