Brooklyn psychiatrist Dr. Caroline Strange is certain she knows what's best for her patients, her family, and pretty much everyone else, but that all changes when a troubled young man arrives for his appointment and makes a pair of alarming confessions: I am going to kill someone, and I know who you really are. Dr. Caroline is accustomed to hearing her patients’ deepest, darkest secrets, but it seems Nelson Schack may be one step ahead when detectives show up later that day, inquiring about a missing woman.

Twenty-five years ago, a young girl left home to walk to school. Her younger sister soon followed. But one of them arrived, and one of them didn’t. Her sister’s disappearance has defined Willa’s life. Everyone thinks her sister is dead, but Willa knows she isn’t. Because there are some things that only sisters know about each other—and some bonds only sisters can break. When Willa is invited to a party thrown by her first love, she has no reason to expect it will be anything other than an ordinary evening But nothing about Willa’s life has been ordinary since the day her sister disappeared.

In a small Alaska town, a boy is found with his throat ripped out and all the blood drained from his body. The inhabitants of Deadhart haven’t seen a killing like this in twenty-five years. But they know who’s responsible: a member of the Colony, an ostracized community of vampyrs living in an old mine settlement deep in the woods.

Caitlin Hendrix has been a narcotics detective for six months when the killer at the heart of all her childhood nightmares reemerges: the Prophet. An UNSUB - what the FBI calls an unknown subject - the Prophet terrorized the Bay Area in the 1990s and nearly destroyed her father, the lead investigator on the case. The Prophet's cryptic messages and mind games drove Detective Mack Hendrix to the brink of madness.

John, an impoverished Scottish minister, has accepted a job evicting the lone remaining occupant of an island north of Scotland—Ivar, who has been living alone for decades, with only the animals and the sea for company. Though his wife, Mary, has serious misgivings about the errand, he decides to go anyway, setting in motion a chain of events that neither he nor Mary could have predicted.

Nina and Simon are the perfect couple. Young, fun and deeply in love. Until they leave for a weekend at his family’s cabin in Vermont, and only Simon comes home.

Lyla is in a bit of a rut. Her post-doctoral research has fizzled out, she’s pretty sure they won’t extend her contract, and things with her boyfriend, Nico, an aspiring actor, aren’t going great. When the opportunity arises for Nico to join the cast of a new reality TV show, One Perfect Couple, she agrees to try out with him. A whirlwind audition process later, Lyla finds herself whisked off to a tropical paradise with Nico, where the two of them will compete against four other couples in order to win a cash prize. But not long after they arrive, things start to go wrong.

When Hazel Sharp, daughter of Mirror Lake’s longtime local detective, unexpectedly inherits her childhood home, she’s warily drawn back to the town—and people—she left behind almost a decade earlier. But Hazel’s not the only relic of the past to return: a drought has descended on the region, and as the water level in the lake drops, long-hidden secrets begin to emerge…including evidence that may help finally explain the mystery of her mother’s disappearance.

When Anna Hartley’s husband, Henry, calls her with a terrible, guilty confession, she can’t believe what she hears. It has to be a bad joke—the mild, predictable artist she married would never hurt a fly, let alone commit murder. But her confusion turns to horror when police find his body washed up on the banks of the Rio Grande.

Professor Theo Cray is trained to see patterns where others see chaos. So when mutilated bodies found deep in the Montana woods leave the cops searching blindly for clues, Theo sees something they missed. Something unnatural. Something only he can stop. As a computational biologist, Theo is more familiar with digital code and microbes than the dark arts of forensic sleuthing.

When Sasha receives a call from her old university friend Gabby inviting her to spend Christmas at Gabby’s remote Scottish lake house, Sasha knows she shouldn’t go. Twelve years ago, on Christmas Eve, when Sasha and her five closest friends were celebrating the festive season, something truly horrific happened that would change the course of their friendship forever. Something that meant Sasha hasn’t spoken to any of them since that night.

After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

England, 1914. The world is at war. Captain Hastings, injured and shaken, is invited to Styles Court to recover. It’s a grand old country house - the family home of his old friend - and a perfect haven. Or so it seems. But in the blistering summer heat, trouble is afoot. Simmering tensions are tearing the family apart, and it all comes to a head in the most horrifying way.

Jenny sits in the same seat on the same train every week, seeing familiar faces come and go. Until a chance encounter shatters her world. Sixteen years ago, Jenny survived a traumatic ordeal that left her best friend, Susie, missing and presumed dead. The world has its theories about what happened to Susie Patterson, and one of those theories points the finger at Jenny. Now she lives a quiet life, volunteering at a crisis helpline while trying to deal with her own anxiety and the true crime fans obsessed with finding her missing friend.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.

When Heather McKinley dreamed of becoming a doctor, she imagined curing sick kids and sporting pink stethoscopes. She never anticipated the sleepless nights, grueling exams, and endless labs. And she certainly never knew that her medical school earned the nickname Dead Med thanks to the tragic history of students overdosing on illegal drugs. But Heather would never consider doing anything like that. That is, until her longtime boyfriend dumps her, she finds herself failing anatomy, and her world starts to crumble.

Cassie thinks she has met the perfect man. Joel is sweet, handsome, romantic, and best of all, he’s crazy about Cassie. She thinks she’s found the guy she’ll spend the rest of her life with. Have children with. Grow old with. Yes, she knows about his perfect ex-girlfriend, Francesca. The beautiful, brilliant chef, beloved by all his friends. But she thinks Francesca is out of the picture. She thinks Francesca is gone for good. Think again, Cassie.

Jazz Bashara is a criminal. Well, sort of. Life on Artemis, the first and only city on the moon, is tough if you're not a rich tourist or an eccentric billionaire. So smuggling in the occasional harmless bit of contraband barely counts, right? Not when you've got debts to pay and your job as a porter barely covers the rent. Everything changes when Jazz sees the chance to commit the perfect crime, with a reward too lucrative to turn down.

Everyone thinks my husband is dead. Just like we planned. Eleven years ago, my husband disappeared. Eleven long hard years I waited, my heart breaking for our son, who didn’t know his father was coming back. Today, my hands shake as I try to understand what I’ve just learned: my husband has a new wife. This wasn’t part of our plan. Eleven years ago, my husband made a terrible mistake. I sacrificed everything to help him fix it. But now he’s put our son and me in danger again. We had a plan. He broke the rules. But who will pay the price?