"Downton Abbey" resumes the story of aristocrats and servants in the tumultuous World War I era. The miniseries is written by Julian Fellowes and stars Dame Maggie Smith, Elizabeth McGovern, Hugh Bonneville and a drawing room full of new actors, portraying the loves, feuds and sacrifices of a glittering culture thrown into crisis.Two years into World War I, Downton Abbey is in turmoil, as Matthew and other young men go to war - or avoid it. The women also pitch in, and many couples see their romantic dreams dashed.

"Downton Abbey" resumes the story of aristocrats and servants in the tumultuous World War I era. The miniseries is written by Julian Fellowes and stars Dame Maggie Smith, Elizabeth McGovern, Hugh Bonneville and a drawing room full of new actors, portraying the loves, feuds and sacrifices of a glittering culture thrown into crisis.Downton is turned into a convalescent home with Thomas in charge. Meanwhile, Lavinia and Sir Richard's secret comes out, Anna tracks down Bates and Branson seizes his chance to strike a blow for Ireland.

"Downton Abbey" resumes the story of aristocrats and servants in the tumultuous World War I era. The miniseries is written by Julian Fellowes and stars Dame Maggie Smith, Elizabeth McGovern, Hugh Bonneville and a drawing room full of new actors, portraying the loves, feuds and sacrifices of a glittering culture thrown into crisis.Isobel and Cora lock horns over control of Downton's medical role. Mrs. Bird starts a soup kitchen. And Matthew and William embark on a perilous patrol behind German lines.

In the climactic battle of the war, Matthew and William go over the top to an uncertain fate. Vera plays a cruel endgame with Bates and Anna. And Daisy faces the severest test of her life.

As the war nears its end, Downton's aristocrats and servants put their lives back together. Mary and Sir Richard go estate hunting. A mysterious wounded officer makes a shocking revelation.

In the finale, the family gathers at Downton Abbey for Christmas.