As their time in Cousins winds down, Belly finds herself wondering: What Would Susannah Do? Throw a massive party, obviously. But will the festivities bring them the closure they need, or just stir up new problems for everyone?

The summer house is for sale, but Belly, Jeremiah, and Conrad won’t let it go so easily. While Conrad works on a secret plan, Belly and Jeremiah try a more direct route. But being back in Cousins with the Fisher brothers means Belly can’t escape painful memories of the past year.

Some hangovers are worse than others. Belly wakes up to a reminder of the mistakes she made last night. But is it too late to fix everything?

Belly's not the same girl she was at the end of last summer. It's the last day of school, and, after a tough year, Belly tries to let loose with Steven and Taylor, but some things are too big to leave behind.

After a painful revelation, Belly, Jeremiah, and Conrad are trapped in close quarters for the night. Emotions run high as Belly must reckon with past and present to decide her future.

Belly's not the same girl she was at the end of last summer. It's the last day of school, and, after a tough year, Belly tries to let loose with Steven and Taylor, but some things are too big to leave behind.

You don’t have to go home, but you can’t stay here. Belly and the gang break into a familiar spot for the night after being forced out of the summer house by Aunt Julia. But the change of scenery will force everyone to reckon with their feelings.

All’s fair in love and boardwalk games. A day of competition with old and new friends stokes big feelings for Belly, Conrad and Jeremiah, and leads to an even bigger surprise that will affect them all.