Departure (2019)

S2E13 O Brother, Where Bart Thou?

The Upper East Side is thrown into chaos following the unexpected death of Bart Bass in a limousine crash. While Serena and Eric handle the shocking news with surprising composure, Lily struggles to cope, finding little solace in her mother Cece's clumsy efforts to console her. Chuck, consumed by grief, directs his anger towards Lily, threatening to expose a secret Bart discovered about her before the incident. Meanwhile, Blair's mother, Eleanor, is busy planning her upcoming wedding to Cyrus, Aaron's father.