Through a series of emotional flashbacks, Blair reveals to Serena what really happened in the aftermath of her tragic car accident with Chuck. Dan tries to help Blair recover, while both Chuck and Louis mistaken their bonding as an affair. Meanwhile, Nate discovers information about the accident that suggests possible foul play. Having successfully shut down Gossip Girl's website, Serena is reluctant to become the next 'Gossip Girl' as her work at Spectator News takes off. Elsewhere, Lily is worried by Charlie's long absence and decides to hire a private detective to track her down despite Rufus' objections. Vera Wang makes a cameo as herself at Blair's dress fitting.