Chapter 37: The Mask Comes Off

⚠️ Spoiler Warning: This guide contains detailed spoilers for the entire novel. Proceed only if you've finished reading or are comfortable knowing the plot.

Chapter Summary

After crashing Jared’s Range Rover, Hannah hallucinates a conversation with her dead fiancé Ben, who urges her to escape. She refuses to die with him and tries to flee the wreckage. Dr. Grady arrives, pulls her from the car, and helps her identify the body of Kimi—wearing Waylon Barlow’s mask. Tess then appears, bleeding from a knife wound. She reveals that Kimi was not the killer; Kimi thought Hannah was the killer. Tess accuses Grady of being the true murderer. Grady admits to killing a Marine and using his face as a mask, then shoots Tess dead. The chapter ends with Grady embracing Hannah, saying “it’s just the two of us.”

Key Events

Hannah awakens in the crashed car, bleeding and disoriented.
She hallucinates Ben, who tells her to get out or die with him.
Hannah refuses Ben’s ring (symbolic of her earlier choice) and pushes herself to escape.
She cannot open the driver’s door or passenger door; the window is smashed.
Dr. Grady appears, lifts her out, and carries her away from the burning car.
They find Kimi’s body: Kimi was wearing Waylon Barlow’s face mask.
Tess arrives, holding a stone hatchet, stomach bleeding.
Tess explains that Kimi was not the killer—she thought Hannah was.
Grady steps in front of Hannah as a shield; Tess accuses Grady.
Grady produces a gun, admits to killing a Marine, and shoots Tess.
Grady embraces Hannah, declaring that only the two of them remain.

Character Development

Hannah: Moves from confusion and guilt (apologizing to Ben) to clarity. She finally rejects Ben’s ghost and the past. In the final scene, she must face the ultimate betrayal by her trusted psychiatrist.
Dr. Grady: Revealed as the true killer. His calm, professional demeanor has been a mask for a pathological need for control. He admits to wearing the face of a Marine he murdered.
Tess: Vindicated but fatally wounded. She had been trying to warn Hannah. Her dying act is to force Hannah to see the truth.
Ben: Appears only as a hallucination, representing Hannah’s guilt and the choice between life and death. His final smile shows relief that she chooses to live.

Themes, Symbols, or Motifs

Masks and Deception: The severed face of Waylon Barlow turns out to be a literal mask, but the deeper deception is Grady’s role as a trusted therapist. The chapter dramatizes the theme that evil can wear a kind face.
Fire and Light: The burning torch and the car fire symbolize truth and destruction. Grady’s first appearance is under the torchlight, which then becomes the light by which the mask is removed.
The Hatchet: Tess’s stone hatchet, a primitive tool, contrasts with Grady’s modern gun. Tess’s weapon is honest and direct; Grady’s is hidden and cold.
Choice and Agency: Hannah’s refusal to stay with Ben in the car mirrors her broader refusal to be a passive victim. This recurs when she steps in front of Grady to protect Tess, claiming agency even as her world collapses.

Why This Chapter Matters

Chapter 37 is the climax of the entire novel’s mystery. It confirms Dr. Grady as the killer, subverts Hannah’s trust, and eliminates Tess as a potential ally. The chapter pays off the setup of the “SOS” phone call and the long‑running question of who is wearing Waylon Barlow’s face. It also parallels Hannah’s earlier relationship with Ben: she has to let go of one toxic attachment (Ben) only to discover a far more dangerous one (Grady). The chapter leaves Hannah alone with the monster who has been guiding her therapy, creating maximum tension for the finale.

Study Questions and Answers

1. Why does Hannah hallucinate Ben at the start of the chapter, and what does his appearance symbolize?
Ben represents Hannah’s unresolved guilt and her desire for death. His command to “get out” forces her to actively choose survival. His presence also echoes the novel’s motif of the past refusing to stay dead. The engagement ring she touches is a symbol of a commitment she never fully made, and her final “no” to Ben marks a rejection of self‑destruction.

2. What evidence from earlier chapters points to Grady as the killer, and how does this chapter confirm it?
Grady’s willingness to violate professional boundaries (driving to 29 Palms), his knowledge of the case details, and his suspicious calm during Hannah’s crises all foreshadow his betrayal. In this chapter, he admits to killing a Marine for “the extra face,” directly confirming he is the one wearing Waylon Barlow’s mask. Tess’s accusation also cites his pathological obsession with Hannah, which matches Grady’s behavior in their sessions.

3. Why does Tess say “Clear your heart and mind. You know the truth.” How does that line propel Hannah’s realization?
Tess’s words echo the mindfulness exercises Hannah learned during the desert retreat. They cut through the mental fog from the concussion and the emotional shock. By urging Hannah to see past her reliance on Grady as a savior, Tess forces her to trust her own instincts. This moment is the turning point where Hannah stops being a passive patient and begins to see Grady for who he really is.