Ryland and Charlie, both 25, embark on a pre-honeymoon road trip through the Arizona desert. With the vast highland hues as their backdrop, they attempt to confront the ghosts from their pasts, especially Ryland's deep-seated fear about repeating her mother's mistakes in marriage and parenthood.
 

Their romantic adventure takes a chilling turn when they encounter a mysterious girl at a remote diner who leads them to the enigmatic Veiled Heartstone Valley. This couples counseling retreat, run by the charismatic yet unsettling duo Maxwell and Sherrie, promises life-changing transformation but a sinister undercurrent lurks behind the scenes. Unbeknownst to Ryland and Charlie, Maxwell and Sherrie's acclaimed credentials often lure couples into a web of indoctrination under the guise of therapy.
 

As they delve deeper into the ranch's enchanting atmosphere, the soon-to-be wedded find themselves entangled in a series of psychological trials that strain their bond. Ryland, drawn to the ranch's hypnotic allure, begins to drift from Charlie, who becomes increasingly alarmed by the cult-like environment. The couple must navigate this treacherous landscape, balancing their love against the creeping shadows haunting them.
 

Caught between the intoxicating promise of deeper connection and dread of the uncharted, Ryland and Charlie must fight to protect their love and their sanity. Can they unearth the strength to escape the grip of Veiled Heartstone Valley, or will their dream of eternal love be shattered by the dark forces at play? This is a tale of passion, peril, and the ultimate test of love in the face of the unknown.