“Marissa Stapley’s writing is a gift.”—Pam Jenoff, bestselling author To the guests at The Harmony Resort, Doctors Miles and Grace Markell appear to be a perfect power couple. They run a couples’ therapy retreat in a luxurious resort in the Mayan Riviera where they help spouses deal with their marriage struggles.Johanna and Ben’s relationship looks great on the surface, but in reality, they don’t know each other at all. Shell and Colin fight constantly—Colin is a workaholic, and Shell always comes second—but what has really torn them apart is too devastating to talk about. When both couples begin Harmony’s intensive therapy program, it becomes clear that Harmony is not all that it seems—and neither are Miles and Grace. What are they hiding, and what price will these couples pay for finding out their secrets?As a deadly tropical storm descends on the coast, trapping the hosts and the guests on the resort, secrets are revealed, loyalties are tested and not one single person—or their marriage—will remain unchanged by what follows.