Credit: NICOLE RIVELLI / THE CW ©2011 Photo: Serena Gets a Call in Gossip Girl Season 5, Episode 16: "Cross Rhodes"

Mark your calendars! Tragedy will strike the Upper East Side on Monday, February 27 in Gossip Girl’s Episode 17, entitled “The Princess Dowry.”

Papa vdW returns and Blair’s stepdad Cyrus may have found a loophole that will help her get out of her terrible marriage to Louis.

Here’s the official synopsis from The CW:

Blair (Leighton Meester) thinks Cyrus (Wallace Shawn, who does not appear in the episode) may have found a potential loophole in her prenup. Chuck (Ed Westwick) and Georgina (Michelle Trachtenberg) partner up in a scheme, but it has an unpredictable outcome.  Meanwhile, a family crisis brings William van der Woodsen (Baldwin) back to the Upper East Side. 

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