Georgina informs Serena that she can reveal a deep dark secret from Serena’s past, but no one is prepared for what Georgina does next. Blair and Jenny’s power struggle continues when each of them start spreading scandalous rumors about each... 

Serena’s world descends into chaos when a former friend, the evil Georgina Sparks returns to town. Dan sees Serena preoccupied and he assumes that it has something to do with Chuck, her soon to be step-brother. Nate connects with the last person...