(Humphrey Loft: Rufus strums his guitar as Lonelyboy enters.) (Serena, dancing on the bar in a flashback: "Oh, if the happy couple didn't want to put up the cash for the premium bar, they should've made their wedding BYOB...")
Serena, over their hookup: Instead, we went into the empty bar, I opened the bottle of champagne, and we... Well...
Blair, cutting into the flashback: We can skip that part, okay? ACT FOUR
(At the rehearsal dinner for Bart and Lily's wedding. Chuck: We need to find her. Dan: Is the Rolling Stone thing tonight? Georgina: But your Dad's about to go on...
Dan, leading her away: He'll understand. Help me out. I remember last night. It is his dad's gig. Miss Serena is here. Nate: She's telling the truth. Nate: To meet Vanessa at a concert. Serena: Take me to see Dan. Serena: Well, when she came back, I... We can't leave him!" What is it? With Dan?
Plan: A: Manhattan; Q: Where did Serena leave for boarding school? A: her old habits; Q: What does Serena fall back into after Georgina reveals the reason she fled Manhattan? A: their friend; Q: Who do Blair, Nate and Chuck put their feelings for each other aside to help? A: the truth; Q: What is Serena too ashamed to share with Dan? A: his girlfriend; Q: What does Dan assume the worst about? A: Rufus; Q: Who is thrilled when his band is invited to perform at a Rolling Stone sponsored concert? A: Lily; Q: Who is the last person Rufus expects to see at a Rolling Stone sponsored concert? A: her wedding rehearsal dinner; Q: What event is Lily attending the same night as Rufus' concert? Summary: As a result of Georgina revealing the true reason that Serena fled Manhattan for boarding school, Serena falls back into her old habits and Blair, Nate and Chuck must put their complicated feelings for each other aside to help their friend. Unfortunately, Serena is too ashamed to share the truth with Dan, leaving him only to assume the worst about his girlfriend. Rufus is thrilled when his band is invited to perform at a Rolling Stone-sponsored concert, but Lily is the last person on earth he expects to see at the performance, especially since her wedding rehearsal dinner is the same night.