Liv and Will Taylor seem to live a glamorous life in New York, but their seemingly perfect marriage shatters when Liv discovers Will is having an affair. Desperate to save their relationship and fueled by a promise of a fresh start, Will suggests they embark on a long-planned American road trip through America’s national parks, a journey Liv has always dreamed of taking. However, for Liv, the trip morphs from a romantic reconciliation into a dark odyssey of vengeance, as the betrayal festers and drives her to the edge of sanity.During their trek, the tension escalates when they cross paths with Garth, Will’s slick colleague, and his naive girlfriend, Cara. Cara inadvertently uncovers Will’s infidelity and attempts to confide in Liv, but the situation rapidly spirals out of control. In a moment of blind fury fueled by grief and alcohol, Liv pushes Cara off a high cliff, staging the murder as a tragic hiking accident.Back in civilization, the psychological toll on Liv begins to mount. Unbeknownst to her, Cara had recorded a video hinting at Will’s predatory behavior, and a relentless local detective, Detective Rawlins, smells foul play. Rawlins begins closing in on the couple, suspecting Liv of foul play despite a lack of concrete
forensic evidence. Meanwhile, Will remains entirely oblivious to the fact that his wife is not only a killer, but is actively plotting his own demise as the ultimate punishment for his betrayal.As the road trip winds through breathtaking yet claustrophobic wilderness landscapes, a deadly cat-and-mouse game ensues. Liv manipulates the evidence and feeds false narratives to Detective Rawlins, all while enduring Will’s gaslighting and toxic charm. The
psychological warfare reaches a fever pitch when Liv finally decides that Will must pay the ultimate price. She meticulously sets a trap, planning to frame him for Cara’s murder or orchestrate his own fatal accident in the unforgiving backcountry.Ultimately, the wilderness strips away their civilized facade. In the harrowing finale, Liv's intricate web of lies, deceit, and survival instincts reaches its climax. Though she manages to outsmart the law and evade Detective Rawlins’ suspicions, she realizes that revenge comes with a profound internal cost. Rather than returning to her old life as a broken, submissive wife, Liv chooses to completely sever ties with Will, walking away into the sunrise as a transformed and deeply scarred woman, finally free of the toxic marriage that nearly destroyed her.