In the fallout of Georgina revealing why Serena left Manhattan for boarding school, Serena begins to fall back into her old ways. Seeing this, Blair, Nate and Chuck must put their feelings for one another aside to help Serena in her time of need. However, Serena cannot bring herself to tell Dan the truth, leading him to assume the worst about her. Meanwhile, Rufus’ band is invited to play at a concert put on by Rolling Stone and assumes that Lily will not attend since it is the same night as her rehearsal dinner.