In a move that’s classic Serena—generous yet slightly tone-deaf—she tries to turn down her spot so Blair can have it. But as Blair quickly learns, the Ivy League doesn't work like a seating chart at a lunch table. The tension between the two "frenemies" hits a peak, especially when Serena realizes she might actually want a future that doesn't involve following Blair’s pre-written script.

Enter , the young, idealistic Shakespeare teacher who makes the fatal mistake of giving Blair her first-ever ‘B.’ It’s a battle of wills:

Here’s the breakdown of the high-stakes drama that went down in New Haven and Manhattan.

The episode starts with the ultimate Ivy League flex: Serena van der Woodsen and Dan Humphrey get into Yale, while the girl who lived and breathed blue-and-white, Blair Waldorf , is left on the waitlist.