Departure (2019)

S01E12 School Lies

Serena, Blair, Nate, Chuck, and their classmates sneak into the school swimming pool for a night of excitement, but their fun turns to chaos when someone comes close to drowning. Faced with the possibility of expulsion for the break-in, they all promise to keep quiet, which leads to significant tension between Serena and Dan. Meanwhile, Vanessa, while filming a documentary on private schools, unwittingly records Blair and Chuck talking about their secret relationship. Meanwhile, Lily struggles to express her true feelings to Rufus.