The War is over and a long-awaited engagement is on, but all is not tranquil at Downton Abbey as wrenching social changes, romantic intrigues, and personal crises grip the majestic English country estate for a third thrilling season. In the wake of World War I, Robert, Earl of Grantham, sticks to his duty to maintain Downton more firmly than ever.

1922. Six months after Matthew's tragic death, his loss is still felt throughout Downton Abbey. Mary struggles to face a new future with her fatherless child, and is encouraged by the family to pick up the pieces. Accepting a new role on the estate, the now-eligible Mary also finds herself the reluctant object of attention from a number of eager suitors. With the twenties in full swing and the tides of change sweeping through Downton, Rose's continued...

The Dowager Countess reveals she has a villa in the south of France, and many of the family follow her there for a rest while some of the family stay behind to keep an eye on the cast and crew of a film which is shooting at the grand estate.

The beloved characters of Downton Abbey take to the big screen, and it turns out that they've got a major event to prepare for. After all, it's not every day that royalty makes an appearance. Of course, it's not long before tensions are running high. The property isn't even close to ready when it becomes clear that Carson the butler will need to come out of retirement to help run this sinking ship before it's too late.