The Murder House

In the Hamptons community of Bridgehampton on Long Island, a Gothic mansion at 7 Ocean Drive has been the site of violence for over two centuries. Known locally as the Murder House, the estate was built by Winston Dahlquist in the late 1700s. Each generation produced a single son named Holden, and each had a mental health condition marked by violent compulsions. The last of the line, Holden Dahlquist VI, died in 1994, supposedly by suicide, leaving no known heirs.

The novel opens on Halloween 1995, when an unnamed twelve-year-old boy opens fire on classmates at Bridgehampton School with a BB rifle, wounding fifteen children. In 2011, local handyman Noah Walker is arrested for the double murder of Melanie Phillips, a young waitress, and Zachary Stern, a Hollywood talent agent, found dead inside the Murder House. Detective Jenna Murphy, a former NYPD officer, helps lead the arrest. Jenna is the niece of Chief Langdon James, who gave her a fresh start in the Hamptons after she left the NYPD following false accusations of skimming money during an undercover narcotics operation.

Jenna visits 7 Ocean Drive without authorization and experiences violent panic attacks she cannot explain: choking pressure and childlike screams echoing in her head. She determines from physical evidence that the killer handcuffed Melanie to furniture and forced her to watch Zachary die, suggesting calculated sadism rather than a crime of passion. Chief James dismisses her theory, revealing that Noah has confessed. When a prostitute named Bonnie Stamos is found impaled on a sharpened tree stump, possibly killed before Noah was in custody, Jenna argues the cases may be connected. The chief, under pressure from wealthy hedge-fund manager John Sulzman, whose wife Paige has been having an affair with Noah, suspends Jenna for refusing to keep the cases separate.

The night before Chief James is scheduled to testify at Noah's trial, a masked intruder shoots him methodically in the extremities and drives a heated fireplace poker through his kidney. Lang dies in surgery after whispering a cryptic instruction to Jenna: "look up Chloe." Consumed by grief, Jenna confronts Noah at gunpoint, firing a bullet over his head before collapsing.

At trial, prosecutor Sebastian Akers presents the case: witnesses who saw Noah pursuing Melanie, a knife with both victims' DNA found in Noah's kitchen, and two informants who claim Noah confessed. With the chief dead, the defense moves to dismiss, arguing no one can testify about the knife or the confession. Akers persuades Jenna to testify that Lang told her about the confession immediately after it happened, making it admissible as an "excited utterance," a legal exception for hearsay reported spontaneously. Jenna knows Lang told her hours later, but she lies under oath. The jury convicts Noah on both counts of first-degree murder. He is sent to Sing Sing, where members of the Aryan Brotherhood nail his hands to a table. He later learns that Paige has drowned, her death ruled a suicide.

Interspersed with the main timeline are chapters narrated from the perspective of a man who calls himself "Holden." In 2007, he murders two Yale students secretly squatting at the Murder House. In subsequent years, he kills a prostitute and abducts a solo backpacker, imprisoning her in a torture chamber beneath the mansion.

Months after the trial, Jenna finds a document titled "CHLOE" on Lang's computer, a letter he wrote two days before his death. Lang confesses that he planted the murder weapon in Noah's kitchen and coerced a jailhouse informant into lying because he believed Noah was guilty but lacked legitimate proof. Jenna brings this evidence to court, and the judge vacates both convictions, declaring Noah the victim of a miscarriage of justice.

Now free, Noah offers to help Jenna investigate. She identifies the bird on the Dahlquist family crest as a shrike, a small predator that kills by impaling prey on thorns, matching the killer's signature. She also discovers that the trajectory of a BB pellet in the 1995 school shooting could not have come from Noah's position, suggesting a second shooter. Gym teacher Arnie Cooper recalls finding Noah sitting calmly on a bench with headphones, seemingly unaware of the attack.

Jenna's attention turns to Aiden Willis, an odd cemetery worker she noticed at Melanie's funeral. She catches him urinating on Holden VI's grave and searches his house, finding a photo album documenting his mother, Gloria Willis, killed in a hit-and-run. Later photos show Gloria pregnant with a second child. Attached clippings document Gloria's death and Chief James holding a newborn abandoned at the police station. Jenna theorizes that Holden VI fathered a secret child through Gloria and that the child, raised by adoptive parents, later discovered the Dahlquist lineage and began killing.

Justin Rivers, the wealthy owner of a local diner, becomes a romantic interest and ally. He provides Aiden with an alibi for the night of Melanie's murder. When Jenna tells only Noah that she is heading to Justin's house for safety, Aiden crashes through Justin's window with a knife that same night. Jenna assumes Noah tipped Aiden off, deepening her suspicion.

An anonymous note leads police to the bodies of the murdered Yale students behind Aiden's property, along with a knife bearing both Aiden's and Jenna's fingerprints. Isaac Marks, Jenna's former partner and now police chief, arrests Jenna. DNA results reveal the blood on the knife belongs to Jenna and Holden VI: The knife was used to kill Holden on July 13, 1994, the same day eight-year-old Jenna went missing for seven hours near the mansion. Jenna is released, and her recurring nightmares of darkness and a boy reaching for her suddenly make sense. They are repressed memories.

Jenna borrows a gun from Justin and enters the Murder House alone at midnight, descending through a hidden trapdoor into a tunnel that leads to the underground kill room. Aiden appears but does not attack. Jenna's memories flood back: Aiden was the boy who rescued her from the house when she was eight. He removes the bullets from her gun and disappears.

Noah arrives and holds Jenna at gunpoint, believing stolen lawyer files prove she is Holden's heir. Justin appears and knocks Noah down with a golf club. In the standoff, Jenna realizes the truth: Aiden did not crash through Justin's window to attack her but to protect her from Justin.

Justin confirms everything. He is Holden VI's biological son, raised by adoptive parents who never told him the truth. As a boy, he discovered his lineage, befriended the suicidal Holden, and absorbed the family's murderous legacy through their centuries-old journal, in which successive Holdens recorded their compulsion to kill. Justin killed Melanie, Zachary, Bonnie, Chief James, and all the others. He framed Noah for the school shooting and the Ocean Drive murders and blackmailed Aiden with the knife Aiden used to kill Holden VI in self-defense. Justin pulls the trigger of the revolver Jenna gave him, but it clicks empty because Aiden removed the bullets. Police arrive and take Justin into custody.

The lawyer files reveal the final twist: Holden VI's private investigator confirmed that Gloria's second child was a girl, adopted by Gary and Lydia Murphy. Jenna is Holden VI's biological daughter and Aiden's half-sister. Gloria abandoned her at the police station to save her from Holden, who later discovered Jenna's existence, killed Gloria, and sent young Justin to kidnap eight-year-old Jenna. Aiden came to the house to avenge his mother, killed Holden, and rescued the child. Isaac reinstates Jenna with a promotion. She visits Gloria's grave with Aiden, acknowledging him as her brother. She and Noah begin a relationship. In the final scene, they watch a wrecking ball demolish 7 Ocean Drive and walk away without looking back.