Chapter 40 Summary – The Ambulance Confrontation

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

Summary

Joe traps Annie inside the ambulance, admitting he murdered Frances to protect his mother, Rose. He explains that Rose, obsessed with Frances, had killed Emily Sparrow decades earlier to end Frances’s fixation on the missing girl. Joe sent the poisoned bouquet to Frances using Elva as the delivery person, knowing Frances’s paranoia would make her easy to kill. He tries to inject Annie with an overdose, but she distracts him by mentioning the battery fingerprint evidence. As Joe begins the injection, Annie kicks him off balance and the ambulance doors open just before she loses consciousness.

Key Events

Joe corners Annie in the ambulance and admits he murdered Frances.
He reveals Rose killed Emily Sparrow in 1964, driving the Rolls-Royce (with Bill Leroy as chauffeur) to Chelsea.
Joe explains his motive: Rose’s lifelong obsession with Frances had eroded her mental health, and Frances was about to expose the truth.
Joe confesses he used Frances’s fear of hemlock by sending a bouquet, then came to “rescue” her.
Annie asks how he disconnected the car battery without leaving prints; Joe says he wore gloves, but his reaction shows uncertainty.
Joe reveals Elva delivered the death flowers.
Annie distracts Joe long enough to kick him off the stretcher as he injects her.
The ambulance doors open as Annie fades into unconsciousness.

Character Development

Annie (Annabelle) – Demonstrates resourcefulness and bravery, using conversation to buy time and physically fighting back despite being overpowered. Her needle phobia paradoxically gives her a final surge of energy.
Joe – Transitions from calm controller to emotionally volatile killer. His monologue exposes deep resentment toward Frances and a distorted sense of protecting his mother. He is both calculating and fragile.
Rose – Though absent from the scene, her decades-long fixation on Frances and her role in Emily’s murder are fully established. Joe’s defense of her actions paints Rose as manipulative and destructive.
Frances – Posthumously revealed as a victim not only of her own paranoia but of a friend’s secret vendetta. Her diary clues finally lead Annie to the truth.

Themes, Symbols, or Motifs

Protection vs. Possession – Joe claims he is protecting Rose, but his actions reflect an unhealthy possessiveness. Rose’s obsession with Frances and her murder of Emily are also framed as twisted “protection.”
The Ambulance – A symbol of emergency care becomes a death trap, subverting the expectation of safety. The confined space heightens the power imbalance and Annie’s vulnerability.
Needle Phobia – Annie’s lifelong fear of injections, mentioned earlier in the novel, becomes a tactical disadvantage and then a source of adrenaline that saves her life.
Flowers as Weapons – The bouquet sent to Frances weaponized her own paranoia. This motif of deceptively beautiful objects recurs throughout the story.

Why This Chapter Matters

This is the climactic confrontation where the mystery of Frances’s murder is solved and the connection to Emily Sparrow’s disappearance is fully explained. Joe’s confession confirms that Rose killed Emily and that Frances was killed to silence her. The chapter also raises the stakes to life-or-death and ends on a cliffhanger, leaving readers anxious about Annie’s fate. It validates the clues Annie pieced together over sixty years of Frances’s diary and recent investigations.

Study Questions and Answers

1. How did Joe ensure Frances would let him into the cottage to kill her?
Answer: He sent a bouquet of hemlock-laced flowers, knowing Frances’s fear of being poisoned would make her call him for help. He then arrived to “rescue” her, giving him the opportunity to inject her with the overdose.

2. What piece of evidence convinced Annie that Joe had tampered with Frances’s car?
Answer: Frances’s diary showed she had tried to start the car that morning and called Walt to pick her up. Joe, as a chauffeur’s son, would know how to disable a car by disconnecting the battery. Annie notes that fingerprints on the battery terminals could link him to the crime.

3. Why does Joe believe he is justified in his actions?
Answer: He argues that Rose’s lifelong obsession with Frances was destroying her mental health. He claims that killing Frances set Rose free and that removing Emily Sparrow was Rose’s way of protecting Frances from further fixation. In his mind, both murders were acts of loyalty.