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?

Former chief investigator Jan Kalisz lives a dangerous double life, forced to work with the occupiers as he gathers information for the fledgling Polish resistance. Even his family cannot be told his true allegiance. When the niece of a Wehrmacht general is found terribly mutilated, Jan links the murder to other killings that are of less interest to his new overlords. Soon, he finds himself on the trail of a psychopathic killer known as The Artist. But, shunned as a Nazi collaborator, can he solve the case before another innocent girl is taken?

When Miriam Lea falls on hard times, an advertisement calling for private agents catches her eye, and within weeks she finds herself in Mr Bazalgette's employ as a private detective, travelling on a train to Hamburg in pursuit of an audacious fraudster. What follows is a journey through some of the great cities of Europe - and eventually to South Africa - as Miss Lea attempts to find her man.

England, 1939. Geraldine Fitz-Herbert, stifled by her aristocratic upbringing, has always found solace in the sky, the one place she can be truly free and push all limits. As war breaks out, Fitz seizes an opportunity to put her flying skills to good use when she sees an advert for volunteers at the Air Transport Auxiliary. But a chance meeting with American Flight Officer Sam Carter suddenly turns her world upside down. Embarking on a passionate and high-octane affair, Fitz has never known a love like this before and starts to dream of a future together, only for the reality of war to hit.

Aisley’s young life was changed forever when her father accompanied King Alfred into battle and lost his life in a deadly skirmish with the Vikings. Now, almost seven years later, the Vikings are once again rallying on Wessex’s borders, and Aisley fears that her older brother may have treacherous plans to betray the king by aligning himself with the invading Norsemen. But when Aisley encounters a handsome nobleman in the market, she feels the first stirrings of hope. Though they met only once when Aisley was little more than a child, she recognizes the man immediately.

It’s twenty years since my teenage brother was murdered and my mother took her own life with a broken heart. I buried myself in writing to numb the pain, but when the police knock at my door and tell me my brother’s killer has just been found murdered, my heart stops dead: the killer had letters from my mother written just days before she died. My mother believed someone else was there that night. As the police search my home, my head races with a million questions. Did my mother really kill herself, or did someone get to her before she could find out the truth?