1943, Seattle. While raging war reshapes the landscape of Europe, its impact is felt thousands of miles away. With her doctor husband stationed in North Africa, Nora Kinney learns to wield a heavy riveting gun amid the deafening noise of the assembly line. But she worries that she is neglecting her children, especially her withdrawn teenage son. Amid this turmoil, though, a sinister tragedy occurs: One of Nora’s coworkers is found strangled in her apartment, dressed in an apron, with a lipstick smile smeared on her face. It’s the beginning of a terrifying pattern, as women war-plant workers like Nora are targeted throughout Seattle and murdered in the same ritualistic manner. And eclipsing Nora’s fear for her safety is her secret, growing conviction that she and the killer are connected.

Seattle TV reporter Anna Malone awakens to her phone ringing. She rarely drinks, and this hangover is brutal. Why can't she shake the feeling that something terrible happened last night? And why can't she recall any of it? What Anna does remember: an awkward restaurant meal with her married lover, Russ Knoll, and his unsuspecting wife, Courtney. Russ' phone call reveals that Courtney is missing, and as days go by with no trace, he comes under police scrutiny. Anna already suspected that Courtney might have a darker side. Is she truly missing? Perhaps the sudden disturbances in Anna's life aren't accidental after all. But no scenario that she imagines can compare to the twisted game unfolding around her.

The site of the old campus bungalow where two girls were brutally slain is now a flower patch covered with chrysanthemums. It’s been 50 years since the Immaculate Conception Murders. Three more students and a teacher were killed in a sickening spree that many have forgotten. But there is one person who knows every twisted detail. Hannah O’Rourke and her volatile half-sister, Eden, have little in common except a parent. Yet they’ve ended up at the same small college outside Chicago, sharing a bungalow with another girl. When their arrival coincides with a spate of mysterious deaths, Hannah’s journalism professor, Ellie Goodwin, knows it’s more than a fluke. A copycat is recreating those long-ago murders.

Sheila O’Rourke has always known her husband isn’t perfect. Who is? But things have been better since they moved to Seattle to make a fresh start. So much so that when 16-year-old Eden turns up, claiming to be Dylan’s child by another woman, Sheila tries to be welcoming. At first, Sheila feels sympathy for the girl. Eden’s mother recently fell to her death in an incident with unsettling parallels to Sheila’s past. Still, Eden is a difficult house guest, sowing discord among the family. Sheila has already been on edge for weeks, receiving anonymous texts, noticing odd noises coming from the house next door. And that’s just the start. No one can hurt you more easily than the ones closest to you --- the ones you keep believing until it’s too late.

Scott Singleton, former NFL star turned television evangelist, lies dead. The bodies of his wife and four of their five children are found on the second floor, bound, gagged and stabbed repeatedly. The oldest daughter was shot downstairs. And the police’s main suspect --- the property caretaker --- has disappeared. In her secluded vineyard home two hours away, Laura Gretchell is on edge. Her husband is out of town on business, and the children are understandably shaken. Laura tries to tell herself there’s no reason to fear. Then the door handle rattles, and the real terror begins. They’re in her house, holding her children hostage, and Laura has only one option: do exactly what the intruders say.

Divorcée Caitlin Stoller and her children recently moved into a charming old Tudor-style house. As weeks pass, Caitlin starts receiving messages --- first friendly, then unsettling, hinting at the property’s dark past. There are stories about local high school students who have disappeared without a trace --- all star athletes, like Caitlin’s daughter, Lindsay. Then there are the rumors that their new home is cursed. Caitlin doesn’t want to believe the whispers, but something strange is going on. Personal items go missing, and there are too many accidents. The Watcher knows how to get inside the Stollers’ home --- and inside their heads. The rumors are true, but the full horror is even worse.

Andrea Boyle moved to Seattle to give her 17-year-old nephew, Spencer, a fresh start after the death of his parents. Andrea has found her own new beginning with Luke, a successful playwright and father of a teenage son, Damon. When a tragedy befalls Damon, it's just the beginning of a nightmare that unfolds. But the worst is yet to come once a dark secret from Spencer's past is exposed. And when Luke is brutally attacked, both of their futures are at stake. Now it's up to Andrea to prove Spencer's innocence to the police --- and to herself. Because for reasons she has revealed to no one, even Andrea can't help questioning the truth --- and fearing that she may be next to pay the ultimate price.

In July 1970, actress Elaina Styles was slain in her rented Seattle mansion along with her husband and their son’s nanny. When the baby’s remains were found buried in a shallow grave close to a hippie commune, police moved in --- only to find all its members already dead in a grisly mass suicide. Now, decades later, a film about the murders is shooting at the mansion. As on-set caterer Laurie Trotter digs deep into what happened all those years ago, a legacy of brutal vengeance reaches its terrifying climax.

Stephanie Coburn has barely recovered from her sister's mysterious suicide before her brother-in-law and his new wife are murdered, her face disfigured beyond recognition. Stephanie never met the bride, but she knew her sister and knows something is desperately wrong. Her only ally is another victim's son. Step by step, they're uncovering a trail of brutal vengeance and a killer who will never relent --- and whose forgiveness can only be earned in death.

A family of four murdered in their hotel room. A single mother and her boyfriend both stabbed to death. A sordid history of violent crimes, repeated over and over --- but decades apart. Olivia Barker is a therapist with no connection to the murders. But she has heard things. Stories that keep her up at night. Details that only a killer would know. A killer who could be one of her patients…

To save her abducted son, Megan Keeler must put herself at the mercy of a maniac. Is Glenn a cold-blooded killer determined to destroy her world piece by piece, or is the truth even more twisted? Megan thought she knew fear, but her nightmare is only beginning...