Emma tells Claire about a dream where a monster in the forest ate her and Noah alive.

The group meets Warner for the first time; Michelle reveals Jack secretly tried to pack a gun for the trip.

The minivan breaks down with no cell service, forcing the entire group to walk through the woods on foot.

Lindsay collapses in a violent seizure after eating berries that turn out to be deadly nightshade and dies.

The group wakes to find Michelle has vanished from camp during the night.

Searching for Michelle, the group discovers a massive pool of blood but no body.

Noah steps in and takes the rifle away after Jack and Warner's argument over Michelle escalates dangerously.

The lost group stumbles upon an abandoned cabin stocked with food and running water.

Claire and Jack discover the cabin's owner stabbed to death inside his truck behind the building.

Claire confesses her affair to Noah; Noah reveals he already knew and had kissed another woman in response.

Claire finds Jack shot dead beside the truck the following morning when she goes to look for him.

Warner suddenly reappears and leads Claire at gunpoint back to the cabin.

Lindsay is revealed to be alive, holding Noah at gunpoint inside the cabin and declaring her intent to kill them.

Noah stabs Lindsay in the abdomen with the Swiss army knife, stopping her from shooting Claire.

Claire and Noah escape the woods, are rescued by police, and return home to reunite with their children.

Claire and Noah Matchett join friends for what should be a relaxing wilderness getaway, but their minivan breaks down and strands the group deep in the woods with no way to call for help. Lindsay dies after eating poisonous berries, and Michelle vanishes overnight, leaving only massive pools of blood behind. Noah seizes the group's rifle when tensions between Jack and Warner explode, and the dwindling survivors find refuge in an abandoned cabin stocked with food and water. After Claire and Jack discover the cabin owner murdered in his truck, Claire confesses her affair to Noah, who reveals he had known all along and still wants to save their marriage. The truth shatters when Lindsay appears alive at gunpoint, Warner is shot dead, and Noah uses a hidden knife to stop Lindsay before police arrive and the survivors finally return home.

The central survival story, from a doomed vacation to a killer's unmasking.

Claire tells Noah she booked separate hotel rooms for the trip, secretly planning to spend the weekend with Jack.

Claire and Noah bicker constantly during the drive to the woods, making the other passengers visibly uncomfortable.

At the diner, Warner controls what Lindsay eats and suggests she should consider getting a breast augmentation.

Lindsay privately tells Claire she witnessed the secret kiss and urges Claire to end her marriage to Noah.

Claire and Lindsay discover claw marks carved suspiciously low on the bark of a tree in the woods.

Jack gives Claire his sweatshirt to keep warm during the walk through the woods, and Noah notices jealously.

Jack tracks animal footprints to a muddy pond and purifies the water using chemical tablets from his pack.

Jack pulls Claire aside at camp and tells her his compass is not pointing correctly north.

Claire and Jack argue about his real feelings for Michelle; she angrily returns his sweatshirt and storms off.

Noah gives Claire his own hoodie and the two fall asleep cuddled together at their second camp.

Inside the cabin, Noah pulls a photograph of Claire and the children from his wallet, deeply surprising her.

Noah offers to wash Claire's clothing in the cabin shower and they become intimate for the first time in months.

Lindsay confesses to murdering her abusive father and to drowning Claire's cheating college ex-boyfriend Ted.

Police arrive at the cabin because Lindsay had pre-arranged a false alibi call to them before the trip began.

After returning home, Claire discovers a magnet hidden inside one of Noah's jacket pockets.

Before the trip even begins, Claire engineers separate hotel rooms to spend secret time with Jack, while her relationship with Noah simmers with resentment throughout the drive into the wilderness. Warner reveals his controlling and dismissive nature at the diner, and Lindsay privately warns Claire she knows about the affair and urges her to leave Noah. In the woods, small gestures — Jack's offered sweatshirt, a suspicious compass reading, a returned hoodie — quietly track the shifting loyalties between Claire, Noah, and Jack. Inside the cabin, Noah's wallet photograph and his unexpected tenderness finally rekindle the intimacy between him and Claire. The pool closes with Lindsay's chilling confession about her past murders, the staged arrival of police on Lindsay's pre-planned cue, and Claire's deeply unsettling discovery of the magnet planted in Noah's pocket.

The hidden tensions and quiet moments that shaped every relationship.

Before the trip, Penny asks Claire if she has told Noah something important yet, hinting at an undisclosed secret.

At the gas station stop, Claire and Jack share a secret kiss while the rest of the group waits inside.

Noah storms out of the diner after a heated argument about the ethics of lying to children about Santa.

Deep in the woods, Jack admits he secretly brought his rifle along against Michelle's explicit wishes.

Lindsay eats berries from an unidentified bush despite Claire's clear warning not to eat unknown plants.

Michelle sprains her ankle during the walk and Jack comforts her physically, sparking Claire's jealousy.

Warner insists on abandoning the search for Michelle; Jack threatens him at gunpoint before Noah intervenes.

Noah privately urges Claire to split from the group, convinced the map and compass are both wrong; she refuses.

Jack tells Claire that Warner falsely claimed to know a hospital colleague he could not possibly have known.

The group finds a disemboweled coyote in the woods with fresh claw marks on its belly.

Claire discovers a hollowed-out Bible in the cabin bedroom with a hidden compartment the size of a gun.

Jack convinces Claire not to tell Noah about the stabbed cabin owner and names Noah as the likely killer.

Claire and Noah forgive each other for their betrayals and confess their continuing love inside the cabin.

Lindsay reveals she orchestrated the entire deadly trip to punish Claire, Noah, and Jack for their disloyalty.

Lindsay, imprisoned and awaiting trial, reflects that the magnet Warner planted will eventually destroy Claire and Noah's marriage.

Even before the group reaches the woods, warning signs accumulate: Penny's cryptic question about an unspoken secret, Noah storming out of the diner, and Jack secretly bringing his rifle against everyone's wishes. In the wilderness, Lindsay's reckless choice to eat unknown berries and Michelle's ankle injury quietly advance the killers' plan, while Claire grows suspicious when Warner cannot account for a supposed shared acquaintance. The discovery of a hollowed-out Bible and Jack's insistence that Noah is the murderer push Claire's trust to its breaking point, even as she and Noah privately reconcile and forgive each other inside the cabin. The climax unravels every deception at once: Lindsay's true identity as the mastermind, her full violent motive, and her calculated plan to eliminate everyone she deemed disloyal. Even in prison, Lindsay holds the final card, knowing the magnet Warner planted will haunt Claire and Noah's reconciliation long after the nightmare ends.