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?

When a child’s remains are found at a demolition site—a former children’s home in Norwich—forensic archaeologist Ruth Galloway is called in to examine the bones. She quickly notes that the skull is missing. Is this a Roman-era ritual sacrifice, or is the killer closer at hand? Ruth and DCI Nelson seek out the priest who served as the home’s operator. Father Hennessey reports that two children had gone missing there, about forty years earlier. They were never found. Is this one of them, finally unearthed?

When Ruth Galloway arrives to supervise the opening of a coffin containing the bones of a medieval bishop, she finds the museum’s curator lying dead on the floor. Soon after, the museum’s wealthy owner is also found dead, in his stables. DCI Harry Nelson is called in to investigate, thrusting him into Ruth’s path once more. When threatening letters come to light, events take an even more sinister turn. But as Ruth’s friends become involved, where will her loyalties lie? A

Forensic archeologist Ruth Galloway is in her late thirties. She lives happily alone with her cats in a remote area near Norfolk, land that was sacred to its Iron Age inhabitants—not quite earth, not quite sea. But her routine is harshly upended when a child’s bones are found on a desolate beach. Detective Chief Inspector Nelson calls Ruth for help, believing the bones to be the remains of Lucy Downey, a little girl who went missing a decade ago and whose abductor taunts him with bizarre letters referencing ritual sacrifice, Shakespeare, and the Bible.

Brighton, 1950. The body of a girl is found cut into three pieces. Detective Inspector Edgar Stephens is convinced the killer is mimicking a famous magic trick—the Zig Zag Girl. The inventor of the trick, Max Mephisto, is an old war friend of Edgar’s. They served together in a shadowy unit called the Magic Men, a special ops troop that used stage tricks to confound the enemy. Max is on the traveling show circuit, touring seaside towns with ventriloquists, sword-swallowers and dancing girls.

Natalka and Edwin are perfect if improbable partners in a detective agency. At eighty-four, Edwin regularly claims that he’s the oldest detective in England. He is a master at surveillance, deploying his age as a cloak of invisibility. Natalka, Ukrainian-born and more than fifty years his junior, is a math whizz, who takes any cases concerning fraud or deception. Despite a steady stream of minor cases, Natalka is frustrated. She loves a murder, as she’s fond of saying, and none have come the agency’s way. That is until local writer Melody Chambers dies.