Katie and Delaney, inseparable since childhood, find their paths diverging in their 30s. While Katie is happily committed and living with her boyfriend, Delaney is still single and living with a roommate. Despite the differences in their lives, their friendship is still a top priority. They’ve always been the most important person in each other’s lives. That is, until Katie’s boyfriend proposes. To soften the blow, Katie plans a nostalgic trip to their childhood beach town, intending to share the news in a familiar setting. But the journey takes unexpected turns, courtesy of a bizarre rental homeowner, a chance encounter with a former classmate, a bachelor party, and a few potential love interests. Caught in a whirlwind of emotions, Katie hesitates and withholds the news from Delaney, putting their lifelong friendship in peril.