Gossip Girl (2007)

S2E4 The Ex-Files

Blair and her loyal followers plot to befriend the newcomer, Amanda, with the intent of undermining her budding romance with Dan. Meanwhile, Vanessa stumbles upon a shocking secret about Catherine and seeks Blair's cunning strategies to leverage the information for Nate's advantage. On another front, Lily feels an undeniable pull towards her former flame, Rufus, reigniting old feelings.