It's Belly’s 16th birthday and her best friend, Taylor, arrives in Cousins to help celebrate. Belly’s birthday is always her favorite day of the year, but this year she’s blindsided by a secret Taylor has been keeping from her. The debs ask Belly who she’s bringing to the debutante ball. Laurel and Susannah's secret finally comes to light.

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.