Megan escapes from an underground bunker in the woods and is helped by a stranger asking about Nicole.

Megan publishes a memoir about her abduction and appears on national television as part of a book tour.

Livia Cutty begins a forensic pathology fellowship, driven by guilt over missing her sister Nicole's call.

Livia autopsies a body staged to look like suicide and discovers the victim was actually murdered.

Livia identifies the murder victim as Casey Delevan and learns he was dating Nicole before she disappeared.

Livia visits Casey's estranged mother and learns his missing brother Joshua was also kidnapped as a child.

Diana Wells tells Livia that a woman named Nicole was present during her kidnapping by Casey.

Nate Theros reveals the Capture Club to Livia and confirms Nicole co-led the group alongside Casey.

Livia connects toxicology reports across multiple victims and establishes that all were drugged with ketamine.

Livia and Megan meet and form an alliance; Megan reveals she never actually wrote her published memoir.

Chief McDonald dismisses Livia and Megan's evidence that multiple abduction cases are linked.

Megan wakes screaming from a nightmare and finally identifies the elusive sound from her captivity.

Megan persuades Livia to drive with her to the abandoned Stellar Heights housing development.

Livia and Megan discover Elizabeth Jennings chained in a cellar and call 911.

Chief McDonald arrives at Stellar Heights alone without sirens; Livia fights back and sets him on fire.

Pool 1 covers the most headline-level events driving the story, from Megan's escape from her captor's bunker to the dramatic climax at Stellar Heights. Livia Cutty begins a forensic pathology fellowship motivated by guilt over missing Nicole's call, and her autopsy work soon reveals that a John Doe is connected to her sister's disappearance. As Livia interviews key witnesses and links victims through ketamine use, she forms an unlikely alliance with Megan McDonald, who is privately struggling through deep trauma. Together they piece together evidence connecting a series of abductions, only to have their theory dismissed by local police chief Terry McDonald. When Megan's nightmare unlocks a crucial sound memory, it leads both women to the abandoned Stellar Heights complex where the truth is finally exposed. The pool ends with Chief McDonald's attempt to silence the witnesses and Livia's dramatic, violent confrontation with him.

The central investigation from escape to confrontation.

Nicole deliberately antagonizes Megan and her friends at a summer beach party in Emerson Bay.

An unidentified man secretly visits a woman he holds captive, believing their arrangement is a loving relationship.

Nicole is ambushed in a park and forcibly kidnapped as her initiation into the Capture Club.

The Capture Club meets in an abandoned brewery and selects a young woman named Diana Wells as their next target.

Casey and Nicole lure Diana Wells out of a nightclub using alcohol and deception, then abduct her.

Livia discovers a folder of missing girl articles hidden among Casey Delevan's stored belongings.

Livia joins colleagues Kent Chapple and Sanj Rashi on a training ride-along to examine crime scenes.

Casey finds a backpack with a red bandana left at a bunker in the woods, signaling a new kidnapping request.

Megan reflects on her high school achievements and excitedly discusses future college plans with her father Terry.

Casey burns all remaining Capture Club evidence and sends Nicole to buy supplies from a Goodwill store.

Livia and Megan steal barbecue tongs and a green fabric scrap from the police station evidence locker.

Forensic testing confirms the tongs caused Casey's skull wounds and the green fabric matches his shirt.

The unidentified captor enters the cellar and discovers his captive died as a result of his brutal punishment.

Nate concludes the killer must have access to police-issue body bags based on how the victims were buried.

Chief McDonald confesses in the hospital to kidnapping and murdering multiple women, including Nicole.

Pool 2 traces the secondary events that built toward the main plot, including Nicole's induction into Casey's disturbing Capture Club and the real abduction of Diana Wells that caused the group to disband. It follows Casey's criminal activities beyond the club's games, revealing a network of kidnappings carried out for a mysterious paying client. In the present-day timeline, Livia's forensic training deepens as she discovers Casey's folder of missing girls, joins ride-alongs with colleagues, and collaborates with Megan to steal and test critical evidence. A chilling parallel storyline follows the unidentified captor's secret visits to his captive, escalating toward the horrifying discovery that she has died from his punishment. Forensic breakthroughs linking the barbecue tongs to Casey's murder and Nate's body bag deduction help expose the conspiracy's true scope. The pool closes with Chief McDonald's hospital confession, which brings the full arc to its grim resolution.

The hidden history of the Capture Club and its deadly aftermath.

Megan endures a national TV interview during her book tour and asks why no one is discussing Nicole.

Nicole's family refuses to acknowledge her missing cousin Julie, leaving Nicole to grieve completely alone.

Nicole and Casey bond in secret online chats by sharing stories about their respective missing relatives.

Livia is publicly scolded for a sloppy autopsy and vows to treat every body with proper dignity.

Megan visits Mr. Steinman, who sees through her practiced public smile and urges her to be honest.

A hypnotherapy session with Dr. Mattingly helps Megan identify the sound of a train whistle from her captivity.

The unidentified captor draws three black Xs on the wall after his captive tries to escape through a window.

Kent Chapple is revealed to be the man who secretly vacations alone at an abandoned fishing cabin.

Kent Chapple spends the night on Livia's couch and gives her his cigarette lighter as a thank-you gift.

Megan tells Livia she believes her captor deliberately released her rather than her having truly escaped.

Casey reveals Paula D'Amato chained in a cellar; Nicole breaks free from his grip and flees to her car.

Megan identifies the leather holster sound in the cellar as belonging to her father's police belt.

Chief McDonald pulls Nicole's car over on the highway at night; she recognizes him in the rearview mirror.

Elizabeth Jennings tells Livia that a girl named Nicole communicates with her through the air vents.

Livia attends Nicole's funeral while Mr. Steinman delivers Megan's condolences in her place.

Pool 3 focuses on the pivotal moments of discovery and emotional reckoning that shifted the direction of the story from beginning to end. It opens with Megan performing a public recovery that masks deep private trauma, and traces Nicole's grief over her missing cousin Julie and her secretive bond with Casey. Key turning points emerge through Megan's hypnotherapy breakthroughs and the gradual unmasking of the red herring suspect Kent Chapple, whose cabin and lighter take on new meaning as the story progresses. The pool then captures the emotional core of the climax: Nicole's horrifying discovery of Casey's real crimes, her desperate flight, and her fatal recognition of Chief McDonald in the rearview mirror. Megan's revelation that she was deliberately released by her captor and her identification of the leather holster sound as her father's expose the story's central truth. The pool ends with Nicole's funeral, marking both the cost of the investigation and the beginning of Livia's long road to closure.