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.”

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.

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.

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.

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.

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.

They were madly in love. The perfect couple. That was the story everyone in South River believed...until Gin Talcott and Adam Archer are found shot in their bed. Adam is dead at the scene. Gin is fighting for her life. Detectives Greta Jessup and Finn Pate are assigned to the case. Greta has a long history with Gin’s first husband, Eddie, and is determined to protect his 18-year-old twins. Piper discovered the bodies. Daniel is missing—and so is Adam’s gun.

Sloan will go through hell and back for those she loves. And she does so, every single day. Caught up with the alluring Asa Jackson, a notorious drug trafficker, Sloan has finally found a lifeline to cling to, even if it’s meant compromising her morals. She was in dire straits trying to pay for her brother’s care until she met Asa. But as Sloan became emotionally and economically reliant on him, he in turn developed a disturbing obsession with her—one that becomes increasingly dangerous every day.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.

DI James Walker is ready for a quiet family Christmas in the sleepy village of Kirkby Abbey. But when he opens an early Christmas present left on his doorstep, he soon realises it is no gift. Inside is a gruesome surprise and a promise - 12 days, 12 murders. Not long after, the first body is found, half frozen in the snow. As the blizzards descend, panic spreads through the remote Cumbrian village - there’s a killer amongst them, and with 11 more victims to go, anyone could be next.... Can James stop the killer before they strike again?

Lily Armitage never intended to return to Endgame House—the grand family home where her mother died twenty-one Christmases ago—until she receives a letter from her aunt, asking her to return to take part in an annual tradition: the Christmas Game. The challenge? Solve twelve clues to find twelve keys. The prize? The deeds to the manor house. Lily has no desire to win the house. But her aunt makes one more promise: The clues will also reveal who really killed Lily's mother all those years ago.

Alex Walker has always looked up to her perfect older sister. Maddie has succeeded in all the ways Alex has not: She escaped their hometown and seems to have put the memories of their unstable childhood behind her. But despite the different paths their lives have taken, the two sisters made a pact to spend one week together every summer. It was a promise they’d never broken . . . until now.

Midnight Jones is an analyst trained to understand the human mind. But everything changes when, in the course of her work, she discovers Profile K’s file – because K stands for killer, and she knows that someone more dangerous than she could have ever imagined walks among them. Midnight knows what Profile K is capable of before he even commits his first crime. But as the news rolls with the brutal murder of a local woman, no one believes what she tells them: that he is capable of so much worse.

When Simon Serrailler was a rookie constable with the Met, he did something reckless in the course of a night's work which caused a man's death. But his act was praised by his colleagues, and he was called a hero. Years later, now a detective chief superintendent who has been badly injured in the course of duty, he receives a medal for bravery at Buckingham Palace while recollecting that fateful night of his early career, when chance disguised itself as bravery.