The wounded officers arrive at Downton and Matthew suggests he bring General Sir Herbert Strutt to inspect the new convalescent home - but Branson decides to spoil the visit after failing his army medical. Meanwhile, William's return results in an awkward surprise for Daisy, and Violet and Rosamund discover Lavinia's past misdeeds.

The entire household is shaken by bad news from the front, and Daisy's relationship with William moves faster than she would like. Meanwhile, Mary pays a high price for obtaining Carlisle's assistance when Vera returns to Downton threatening to expose old secrets.