Paige Reinhardt is counting down the days to summer, eager to reconnect with her workaholic husband at their cozy rental cottage in the Hamptons. But a mysterious crisis at Dave's work ruins their getaway plans. Paige is still figuring out how to handle the unexplained chill in her marriage when her troubled sister suddenly returns after a two-decade silence. Now Paige is navigating the rocky waters of a forgotten bond with her sister in the sweltering city heat. Paige is shocked to discover how little she knows about the people closest to her. This summer, the self-proclaimed relationship expert will grapple with her biggest challenge yet: finding herself.