After Grace crosses a line, Maddi is pushed to the brink. Lake struggles to balance her friendships after receiving some unexpected news from Michols. Brad questions Emmy's sincerity after Justin spills some tea. Grace reveals a secret she's been holding onto.

The group continues their river vacation; Nichols remains hung up on Lake; Emmy tries to clear the air with Brad; once everyone's back in Charleston, tensions arise between Maddi and Joe.