Think Twice Prologue Summary and Analysis

⚠️ 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

The prologue opens with a first‑person account of a killer explaining how to destroy a life. For six weeks the killer has watched a heavy‑sleeping man. Every night the target drinks cognac before bed. The killer uses a spare key hidden in a fake rock to enter the house and spike the cognac. After the man passes out, the killer lifts his thumb to open a biometric gun case containing a Glock 19, then wipes his mouth with a tissue to collect DNA. The killer takes the man’s phone, car keys, and a baseball cap. Driving the Audi to a lakeside Airbnb in Marshfield, the killer uses the man’s phone to enter the address. The victim is a woman hiding from the man. She sees the killer through the kitchen window and pleads for her life. The killer kicks in the door and shoots her twice in the chest. After confirming her death, the killer places the DNA‑laden tissue at the scene and drives back to the man’s house, returning the phone and car, hiding the gun in a storage shed. The police will find the Audi’s tracking, phone location records, DNA, and murder weapon, all pointing to the innocent man. The chapter ends with the killer’s satisfaction: for the woman, the horror is over; for the man, it has just begun.

Key Events

The killer observes the target for six weeks and learns his nightly routine.
The killer enters the house using a fake‑rock key holder, spikes the cognac, and renders the man unconscious.
The killer uses the target’s thumbprint to open the biometric gun case and retrieves the Glock 19.
The killer collects the target’s DNA (saliva) and sets his phone to silent.
The killer drives the target’s Audi to a remote Airbnb in Marshfield, recording the address in the phone’s maps.
A woman sees the killer through the kitchen window and begs not to be hurt.
The killer shoots the woman twice in the chest, kills her, and leaves the DNA‑stained tissue.
The killer returns to the target’s house, replaces the phone and keys, and hides the gun in a shed.
The killer reflects on the emptiness following the kill and compares it to the “Little Death.”

Character Development

The Killer (Unnamed): The narrator reveals a cold, methodical personality. Planning and anticipation give the killer more satisfaction than the act of murder. The killer shows disdain for carelessness and believes overkill (extra DNA evidence) helps secure a conviction. A sense of superiority and dark amusement pervades the voice.
The Target (Heavy Sleeper): No name or description is given, only habits: he drinks cognac, uses a biometric safe, and keeps his keys on a hook. He is entirely unaware of the plot, making him a passive victim.
The Woman Victim: She is described as pretty, with dirty blonde hair, too thin from stress, wearing an oversized men’s dress shirt. She tried to hide from the target but was found. Her plea for mercy is ignored.

Themes, Symbols, and Motifs

Meticulous Planning vs. Impulsive Killing: The killer’s six‑week observation and use of biometrics, DNA, and electronic tracking highlight the theme of controlled, premeditated violence. The actual shooting is quick, but the “setup” is described as a work of art.
Deception and Framing: The entire scheme is built on planting evidence (phone, car, DNA, gun) to direct suspicion toward an innocent man. The theme questions the reliability of forensic evidence and how easily a life can be destroyed.
Anticipation and the “Journey”: The killer recalls a college graduation platitude about the journey mattering as much as the destination. This is twisted into a justification for the drawn‑out preparation and the thrill before the kill.
Emptiness After Violence: The killer compares the post‑kill feeling to a sexual letdown (la petite mort), suggesting a hollow satisfaction that underscores a lack of genuine fulfillment.

Why This Chapter Matters

As the prologue, this chapter establishes the central conflict: a ruthless, intelligent killer has framed an innocent man for murder. It introduces the first‑person killer’s voice, which will likely return or contrast with other perspectives. The meticulous detail raises the stakes for the real protagonist, whoever that may be. The chapter also sets up key clues—the Audi tracking, phone data, DNA, and hidden gun—that will be central to the investigation. The lack of names for the killer and victim creates mystery, compelling readers to wonder about their identities and the connection between the three characters.

Study Questions and Answers

What evidence does the killer plant to frame the target, and why is it effective?
The killer plants four key pieces: the Audi’s GPS tracking shows a trip to the murder scene; the target’s phone has the Airbnb address in its search history; a tissue with the target’s saliva is left at the crime scene; and the murder weapon (the target’s own Glock 19) is hidden in his storage shed. Each alone could implicate him, but together they create an overwhelming circumstantial case, exploiting a jury’s expectation of forensic evidence.
How does the killer’s attitude toward the murder reflect different character traits?
The killer treats the killing as a clinical exercise, finding more joy in the planning than the act itself. The comparison to sex and the feeling of emptiness afterward suggests a deeply disturbed, possibly narcissistic personality who craves control but feels no real connection. The killer’s calmness during the setup and callous disregard for the victim highlight a lack of empathy.
Why might the author choose a prologue that reveals the killer’s perspective?
By giving the reader direct access to the killer’s thoughts, Harlan Coben creates immediate dramatic irony: the audience knows the truth while the innocent target remains unaware. This builds suspense and forces readers to wonder how (or if) the truth will come out. It also sets a dark, psychological tone and introduces the theme of deception that will likely run through the novel.