At a boutique health-and-wellness resort that promises healing and transformation, nine stressed city dwellers try to get on a path to a better way of living. Watching over them during this 10-day retreat is the resort's director, Masha, a woman on a mission to reinvigorate their tired minds and bodies. However, these nine "perfect" strangers have no idea what is about to hit them.
Grace Fraser is a successful therapist on the brink of publishing her first book with a devoted husband and young son who attends an elite private school in New York City. Weeks before her book is published, a chasm opens in her life: a violent death, a missing husband, and, in the place of a man Grace thought she knew, only a chain of terrible revelations.