CHAPTER SUMMARY
Final Girlsby RIley Sager

Chapter 36-40 Summary

Opening

A revelation detonates Quincy’s fragile peace: “Sam” is an imposter, and the lie drags her straight back to Pine Cottage. As Quincy Carpenter confronts the fraud of “Samantha Boyd,” the woman’s true name—Tina Stone (posing as Samantha Boyd)—opens a deeper maze of abuse, loyalty, and memory. Drugged, abducted, and returned to the scene of the massacre, Quincy must use her wits—and a strategic lie—to survive.


What Happens

Chapter 36: A Bombshell

Quincy meets Jonah in Central Park, desperate to unmask the woman living in her apartment. Jonah delivers the bombshell: the woman is not Samantha Boyd but Tina Stone, stepdaughter of Earl Potash—the man whose murder Quincy saw in a clipping at Lisa’s house. Jonah explains that Potash’s killer confessed to ending years of sexual abuse; her name was sealed because she was a minor, but he confirms it was Tina Stone. The revelation twists the lens on Truth, Memory, and Deception: why would someone assume the identity of a murderer—and a Final Girl?

Jonah goes further. He has Tina’s medical records: two suicide attempts by overdose. The treatment location chills Quincy—Blackthorn Psychiatric Hospital—where Tina was a patient at the same time as the man who slaughtered Quincy's friends. A violent memory finally breaks loose. Quincy hears Janelle Bennett screaming, stumbles on her with a slashed throat, and cradles her as she dies. The killer emerges, stabs Quincy twice, smooths her hair, and heads back to the cabin. For the first time, Quincy consciously remembers the attack.

Chapter 37: Properly Fortified

Quincy races home to expose Tina. With the shower running, she ransacks Tina’s knapsack and finds stolen clothes, an empty Ambien bottle, the cafe’s stolen iPhone, and a battered Time magazine covering the Nightlight Inn massacre. She recognizes a passage Tina “recited” on their first night—plagiarized word-for-word. Quincy pulls up the real Samantha Boyd’s TV interview—the voice is nothing like Tina’s.

Numbness spreads. Quincy glances at her grape soda and sees undissolved Xanax dust spiraling at the bottom. Tina steps from the shadows—the shower was a decoy. Drugged and reeling, Quincy croaks “Tina Stone,” fingers inches from a kitchen knife before collapsing. A flashback lands one year after Pine Cottage, as Blackthorn shutters and Tina leaves its doors to a world that has no place for her.

Chapter 38: I Just Need the Truth

Quincy wakes in a car, heavy and slow from the drugs, with Tina at the wheel. Tina lays out her plan: she needed to know what Quincy and Lisa Milner remembered about Pine Cottage. Claiming the bond of The 'Final Girl' Identity would open doors, she used Samantha Boyd’s name to get close. Lisa found her real license and threw her out, Tina says, but she denies killing Lisa. What Tina really wants is information about Joe Hannen.

Quincy’s vision clears just enough to recognize the destination. Tina is driving her back to Pine Cottage. The sight of the rotting cabin—the epicenter of Quincy's Trauma and Its Aftermath—cracks her composure. Intercut glimpses of Tina’s life two years after Pine Cottage show a mother who rejects her, a new family that erases her, and a world that leaves her scraping by, alone.

Chapter 39: Say His Fucking Name

Tina presses a knife to Quincy’s throat and demands the truth about Joe. While Tina pries open the cabin door, Quincy discovers the stolen iPhone in her shirt. On 1% battery and a flickering bar of service, she squeezes out a text to Franklin Cooper (Coop). The momentary hope fades as the drugs pull her under again.

Quincy pleads to Tina’s survivor core—her abuse, Blackthorn, the years after. Tina snaps: Joe Hannen was her “only fucking friend.” Loyalty, not madness, drives her. She orders Quincy to say his name. When Quincy forces out “Joe Hannen,” her body revolts—she vomits, shakes, and goes limp as Tina drags her inside. Flashbacks fill in Tina’s path: three years out, she exacts vigilante justice on an abusive Blackthorn orderly; nine years out, she inks “SURVIVOR,” gets mistaken for Samantha Boyd, and conceives the con; finally, she knocks on Lisa’s door, plan in motion.

Chapter 40: Pine Cottage Has Welcomed Me Home

Inside the dark, gutted cabin, memory sparks: Janelle dancing, the boys by the fire, Joe’s gaze locked on Quincy. Tina marches her room to room, trying to pry open the past. In the bedroom where Quincy and Joe had sex, a crucial fragment surfaces. Quincy lies on the floor as water from the slashed waterbed seeps under the door. Joe is beside her, whispering they’ll be okay. Then the pounding starts, the door buckles, and everything explodes.

Her scream in the memory fuses with her scream now. She fights Tina, mind whiting out, then makes a choice. To live, she lies: “I’m starting to remember.” In that instant, she shifts from hunted to strategist, wielding deception as her only weapon.


Character Development

Quincy’s repression can’t hold against direct exposure to Pine Cottage. Forced returns and sensory triggers rip open her amnesia, and she pivots—fast—from numbed survivor to tactical operator who weaponizes a lie.

  • Quincy: Breaks through her memory block with her first fully conscious recall of the attack; resists even while drugged; sends an SOS to Coop; chooses deceit as survival strategy.
  • Tina: Unmasked as the antagonist with a complete, tragic history—abuse, institutionalization, isolation, and fierce loyalty to Joe—complicating her into a victim-perpetrator.
  • Joe: Reframed by Tina’s devotion as more than a faceless monster; his connection to Tina and tenderness in Quincy’s resurfacing memory deepen the puzzle of his role and motives.

Themes & Symbols

Pine Cottage stands as both site and instrument of memory. Its rot, emptiness, and ruin mirror Quincy’s splintered psyche. Only inside its rooms—each a locked drawer—do specific memories click open, arguing that trauma imprints on spaces as much as on minds. The knife threads past to present: Quincy’s stabbing, the hidden blade she once left in the woods, the weapon now at her throat—an unbroken line of threat that refuses to die.

These chapters scrutinize the The 'Final Girl' Identity and the The Duality of Good and Evil. Tina counterfeits a Final Girl to access trust, then claims “survivor” through experience of abuse and marginalization rather than a single massacre, blurring categories of victim and villain. The investigation into Truth, Memory, and Deception tightens: testimony warps under drugs and fear, memory unlocks under spatial pressure, and lies become survival tools.


Key Quotes

“Say his fucking name.” Tina weaponizes language to break Quincy’s last defense: silence. Forcing the name “Joe Hannen” cracks Quincy’s body-mind barrier, proving that speech can trigger memory—and collapse.

“Joe Hannen was my only fucking friend.” This confession reframes the killer through Tina’s loyalty, complicating moral binaries. It suggests Joe could be both violent and capable of connection, muddying the narrative of pure monstrosity.

“We’ll be okay.” Spoken by Joe in Quincy’s recovered memory, the reassurance clashes with his presumed role. The tenderness destabilizes what Quincy—and the reader—think they know about the night’s power dynamics.

“I’m starting to remember.” Quincy lies to live. The line marks her tactical turn from passive to active, using deception the same way others have used it against her.


Why This Matters and Section Significance

These chapters trigger the novel’s turn from slow-burn mystery to relentless confrontation. Unmasking Tina resolves the “Sam” riddle even as it reveals a more intimate danger tied to Joe and Blackthorn. By hauling Quincy back to Pine Cottage, the story weaponizes setting: the house becomes a key that unlocks memory and accelerates plot. Quincy’s text to Coop seeds the endgame, while her calculated lie establishes the psychological battlefield on which the finale will be fought.