Warning: This recap for Season 6, “Episode Eight” of Downton Abbey contains spoilers.

Since the first episode of Downton Abbey, Ladies Mary and Edith have been on a never-ending see-saw. When one’s up, the other’s down. (When Sybil was alive, she was off doing her own thing on the jungle gym.)

Last week, Mary put the brakes on her romance with Henry Talbot, while Edith got a marriage proposal from Bertie Pelham. But the see-saw has swung back to Mary’s favor, after she blows up Edith’s relationship with that secret festering in her icy heart. Then, to add insult to injury, Mary resolves things with Henry and they get hitched in a quickie wedding, while Edith gets dumped by Bertie.

Poor, poor Lady Edith. There’s one more episode left, the Christmas special (airing March 6) — will this Cinderella get her happy ending then? And will her wicked sister make up for what she did?

Here’s what went down this week at the Abbey:

Mary and Henry

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Mary is moping about her breakup, and Tom pushes her to call Henry. “He’s the one for you, trust me, and give him a chance,” he says, but she shrugs him off. People “like us” (meaning herself and her titled family, not Tom and certainly not Henry) have to be careful about who they marry, especially if they’re inheriting a fortune.

Henry happens to drop by the Abbey after doing some “car things” in Durham (which, as Lord Grantham points out, probably are non-existent). His visit is highly annoying to Mary, and things just get worse when Henry asks her if money is the only reason she’s fighting their relationship. Now, she’s even angrier that he’s calling her a snob, and storms off.

When he leaves without saying goodbye the next morning, and seeing how happy Edith and Bertie look (more on that below), Mary decides to use the sharpest weapon in her arsenal. “I admire you, Bertie,” she says. “Not everyone would accept Edith’s past.” Oh snap!

Edith is forced to admit to the truth, and Tom yells at Mary for ruining not just her own life, but her sisters. “How many lives are you going to wreck just to smother your own misery?” he asks. “You’re a coward — like all bullies, you’re a coward.”

The Dowager Countess is called in to prevent any more wreckage from occurring thanks to Hurricane Mary, and finally Mary confesses what’s really holding her back: She cannot be a crash widow for a second time. But the Dowager says something very surprising: She believes in rules and traditions, but also, “I believe in love.”

So, Mary stops fighting this feeling. She goes to Matthew’s grave to ask for his heavenly blessing, then summons Henry back to Downton. He comes, with a marriage license (!), and they get hitched the following day. What is this, Las Vegas? “A new couple in a new world,” Robert says.

Remember when Downton Abbey premiered and Lady Mary looked down her nose at cousin Matthew for being a country lawyer? Well, this is certainly a new Mary now. Maybe she will even be nicer to Edith.

Nah.

Edith and Bertie

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When Bertie talked about his “more arty than sporty” cousin Lord Hexham, we guessed one of two outcomes: 1) His Lordship would come back to England and hook up with Thomas, or 2) Bertie would inherit his cousin’s title and Edith would be a marchioness.

Well, option 2 sort of happened. Lord Hexham dies in Tangiers, and Bertie is his heir! “Golly gumdrops!” a gleeful Robert declares. But Edith is not quite so thrilled — she still hasn’t accepted his proposal or told him about Marigold.

Bertie comes to Downton before flying to Tangiers, and presses her for an answer. She seems to be trying to work up the nerve to tell him the truth, but then he talks about being a king of the county and always on parade and his very stern mother. When Edith tells him she loves him, he takes that as a yes, and tells the news to the family the next day at breakfast. That’s when Mary goes nuclear on Edith.