Blair bid to find out what her Mother is hiding backfires. Vanessa gets into a fight with her mom and ends up at the Humphreys. Rufus is hurt when he discovers Lily has been lying to him. Chuck divulges some news that could ruin a friend to Nate. Jenny finds tries to get even with Eric after learning the truth.

On the anniversary of Bart Bass death, Chuck has to deal with some issues from the past and a car accident disturbs the Upper East Side. Meanwhile, Dan and Vanessa tried to stay in their complicated friendship no matter what. Jenny is accused of beating a classmate, and Eric has to decide which story to beleive.