Joe questions where to take his relationship with Salley after TJ's revelations. Grace reconsiders her future with Liam and plans the perfect escape to save her cat. As Maddi scrambles to save her job from Emmy, new cheating evidence against her boyfriend Trevor spreads through Charleston.

The group continues to live it up in Miami with DJ gigs, water sports and yacht parties, but things take a turn when a secret group chat is exposed. At the final dinner, friends become foes when a fun reflection on the trip turns into everyone airing their grievances about Maddi.