The Secret Lives of Murderers' Wives

In the sweltering summer of 1966, in the fictional California suburb of Berryview, Beverley Lightfoot prepares to address a crowd at the LAPD's annual gala evening. Five years earlier, her husband, Henry Lightfoot, was arrested as the Heatwave Killer, a serial murderer who killed seven women in the Bay Area. Beverley has agreed to speak about her experience as a killer's wife, hoping to help law enforcement understand how dangerous men hide behind closed doors. Chief Tom Cornwell, who led the investigation into Henry's crimes, introduces her to the stage. She delivers her speech despite anxiety. As the evening ends, an officer informs Cornwell that a body has been found nearby under unusual circumstances.

Beverley's two closest friends are Margot Green and Elsie Parker, women who share her singular experience. Margot, a glamorous redhead, is the ex-wife of Stephen, a politician who murdered eight people before dying by suicide in jail. Elsie, a reserved Englishwoman, was married to Albert Moss, a teacher who stalked and murdered several women. The three meet regularly at Beverley's home to process their pasts with cocktails and candor. When Beverley mentions the body found on the night of the gala, it plants a seed of curiosity.

Elsie works as a personal assistant to the editor of the Los Angeles Signal newspaper, a position far below her ambition. When a phone message arrives from the county sheriff about the gala victim, referred to as "Blondie," Elsie pockets the note instead of passing it along, determined to pursue the story herself. With the help of Patricia "Patti" Fowler, a confident new reporter at the Signal, Elsie learns the victim's true identity: Cheryl Herrera, a 21-year-old college track athlete. Contrary to what police suggested, Cheryl had dark hair. She was strangled, an arrow was driven through her eye, and a blond wig was placed on her head. These ritualistic details suggest something far more deliberate than a gang killing.

Meanwhile, Beverley has been secretly involved with Detective Roger Greaves, the officer who showed her kindness during Henry's arrest. Roger dismisses her questions about the case and backs Cornwell's focus on a street gang called the Kings. Beverley grows suspicious when the details Roger shares do not match what the officer at the gala described. She maintains a scrapbook of crime clippings, driven by her belief that staying informed might prevent future harm.

A second victim, 20-year-old cheerleader Emily Roswell, is found in a golf course lake, stabbed multiple times with "love" and "hate" tattooed on her knuckles. Beverley coaxes these details from Roger and argues the two murders are linked, but he dismisses her. A third young woman, aspiring model Diane Howard Murray, goes missing from Golden Point, a low-income trailer park community. Margot investigates and learns from Diane's grandmother that Diane was strangled, dressed in a designer coat and suspenders, and displayed like a mannequin. The staging mirrors the wig placed on Cheryl, convincing the women that a single killer is at work.

The three women formally commit to investigating the murders. Elsie notes that all three ex-husbands were under extreme pressure when they began killing, suggesting they should look for a similar trigger in the current killer and for behavioral signs a family member might recognize. She discovers that the logo on Diane's cleaning company apron matches one she sketched from a van at Cheryl's vigil, leading them to Sean Wilson, whose company cleans the stadium where Cheryl trained. When Elsie and Patti confront Detectives Greaves and Bale with this evidence, the officers are dismissive, but Bale inadvertently reveals that another young woman has gone missing: Sarah Gunn, a 21-year-old majorette. Patti also uncovers that Cornwell has been funneling surveillance money to his brother-in-law's technology company, explaining the chief's insistence on blaming the Kings.

Beverley secretly visits Henry in prison, breaking a pact the women made never to contact their ex-husbands. Henry theorizes that the killer hates women, feels emasculated by them, and likely uses sex workers to feel in control. Margot investigates movie director Mason Clarke as a suspect but finds he has an alibi. A threatening note on a Lucky Charms cereal box confirms the killings are one person's work. It names all three confirmed victims and taunts: "I'll hook another girl" and "Why can't you guys see the big picture?"

The investigation shifts when Beverley appears on a statewide television show to warn women. Though the host undermines her, the broadcast reaches Sharon Farrer, a drive-in server who suspects her husband, Hank, may be the killer. Sharon produces Cheryl Herrera's missing bracelet, initialed CJH, which she found in Hank's truck. Elsie confirms Hank's license plate in the Beware Book, a log kept by sex workers documenting violent clients. The women stake out Hank's garage, but a fifth murder, the stabbing of Kate McKenzie in her shower, occurs while they are watching him, proving he cannot be responsible.

Beverley then discovers a Polaroid photograph that fell from Roger's coat. It shows a camera with a checked strap at the McKenzie crime scene, the same Polaroid Automatic 100 she saw on the Farrers' kitchen table belonging to Sharon's teenage son, Peter Farrer, an aspiring film student. The women initially suspect Peter, but when they visit Sharon, she reveals that Roger himself took Peter's camera from the house two weeks earlier. Since the McKenzie murder occurred days after that visit, Roger must have planted the camera at the scene.

The truth is devastating: Roger commits all five murders and systematically frames Peter, using the boy's camera, his love of cinema, and the bracelet planted in Hank's truck to construct a case he could heroically solve. He creates the crimes to position himself to replace Cornwell as chief. Beverley's neighbor Christopher Appleton, a retired movie props man, helps decode the final piece: Each murder recreates a scene from a famous film. Emily's tattooed knuckles come from The Night of the Hunter; Cheryl's arrow through the eye references Eye of the Devil; Sarah's body hung from a hook, mirroring On the Waterfront; Diane's staging echoes Blood and Black Lace; and Kate's shower murder replicates Hitchcock's Psycho. The killer's taunt about "the big picture" is a literal clue: The killings are inspired by movies.

Unable to reach Roger through official channels, the women break into his house and find a back room papered with newspaper clippings, murder diagrams, and yearbooks containing victims' photographs. Following the frantic barking of Duke, Roger's Great Dane, at a locked basement door, they break it down and discover Roger's wife, Enid Greaves, bound to a pipe but alive. Enid had confronted Roger about a missing coat he used to dress Diane's body, and he imprisoned her. Beverley, badly wounded from climbing through a broken window, helps free Enid as Roger arrives home. He strikes Elsie unconscious and drags Beverley to the basement, opening garden shears near her throat. Enid, who escaped but doubled back, appears with Roger's gun and shoots him.

Interspersed throughout the novel are brief chapters narrated by an unnamed captive documenting her imprisonment and determination to survive. These are revealed to be Enid's voice.

Roger survives and is taken into custody, eventually accepting a plea deal. Six months later, the women have rebuilt their lives. Elsie, promoted to the Signal's crime desk under Patti, is turning her victim profiles into a book. Margot has begun therapy. Beverley gathers her friends in her backyard, holds the scrapbook she has kept for years over a fire, and drops it into the flames. Surrounded by laughter and a lopsided cake baked by Appleton, she takes a breath and smiles.