Thanksgiving on the Upper East Side. Thanksgiving in the Waldorf household finds Blair upset that her mom's new boyfriend Cyrus, has decided to ruin all her favorite traditions. Lily finds herself trying to broker a peace treaty between Rufus and Jenny who is prepared to cut off all communication with her father if she doesn't get her way. Serena isn't quite ready to come clean with Aaron about her complicated past, but Dan ends up accidentally revealing a few tidbits of his own. Vanessa and Chuck come to their friend's aid when Nate is once again forced to confront his father's abandonment, as he finally returns from abroad. Vanessa becomes depressed upon hearing that Nate is leaving New York with his father, but she doesn't hear that from Nate himself. Finally, Eric discovers a secret that Bart has been keeping from Lily.