The Insider.com

First Look!

The new season will feature Matthew and Mary's hotly anticipated wedding (and Mary's stunning gown) -- but what comes afterwards will truly leave your jaw on the floor!

"As much as that angst between Matthew and Mary was enjoyable to play, I must say it's lovely now to be finally settled in some ways," Michelle Dockery says. "Of course, like all marriages it's not completely perfect. Let's just say they have their teething problems at the beginning."

Dan Stevens elaborates: "It's a question of whether they're going to stick around or not. Matthew's a bit iffy about staying in the house. I think he wants a certain amount of independence before taking on Downton. So I think it's his idea that maybe they'll go and live elsewhere. And then as the series progresses he gets a bit more involved with the estate and sees a few weak spots in the management."