Nate gets arrested for fraud after Bart turns him in. The Captain shows up to help his son get out of his financial mess.
Blair and Chuck work to take down Bart. The elder Bass tells Chuck that if he leaves and goes to Russia for good, he will leave his loved ones alone.
Chuck gets on the place to head to Moscow, but realizes what Bart is up to. He gets off the plane before it crashes.
Blair gets the girls together to take down Bart at his Man Of The Year Party. All is going well until Bart takes Chuck up to the roof. They argue and push each other. After getting punched, Bart ends up hanging off the building. Blair comes up to check on them and her and Chuck watch Bart slip from the railing.
Sage talks Nate into looking into his Gossip Girl identity research.
Serena plans to move to LA. Dan and Blair both try to convince her to stay.