At the conclusion of Whitney’s 20s Party, Jen’s explosive temper reaches a boiling point and Meredith and Mary are the targets. Meredith finally reveals the truth about her marriage to Lisa, while Jen shares the details with Heather, who then tells Whitney. Mary takes the high road and invites Jen to her luncheon hoping to squash their issues for good, but when Jen tries to open up to the group things take a sudden turn for the worst.