It's the 4th of July, and the fathers have come to Cousins for Susannah's annual party at the beach house. Tensions flare between Conrad and his father. Belly and the Fisher brothers make margaritas, and chaos ensues. Later, Belly has a romantic moment that's interrupted.

Believing that Conrad might act on his feelings for her, Belly makes a decision. But when Belly and Conrad finally get a chance to talk, things don't go as she expected, and she wonders if she's had her eye on the wrong Fisher brother. Steven is assigned to work the poker room at the country club, and Laurel and Susannah have a night out.

Taylor comes back to town to play in the Cousins Beach charity volleyball tournament, and to help Belly, who's caught between Conrad and Jeremiah. When a yacht party with the debs ends in disaster, Belly's decision between the brothers becomes clear. Steven finds himself in over his head with Shayla's wealthy friends, and Cleveland helps Conrad through an emotional moment.

The debutante ball is here, but Belly's big night is almost ruined when Jeremiah learns the secret his mother has been keeping all summer. When Belly's left alone on the dance floor, someone else steps in to save the day. With Susannah and Laurel's secret out in the open, the season ends with a promise from Susannah and the confession from Conrad that Belly has been waiting for all summer.