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.

Two little girls stand with their heads bowed in my living room. I’m told they’re my granddaughters. Daisy is nine, and Alice seven. Daisy is the spitting image of her mother. This is the first time I’ve met them since my daughter and I fell out after she married that waste of space, Vince. They’ve come to live with me because their mother — my daughter — was murdered. In her own home while they slept close by. I think Vince killed her. But the police can’t prove it. I’ve always known he was no good. He treated my daughter like dirt. I said he’d cheat on her — but she wouldn’t listen.

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.

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.”

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.

It’s been two years since Anna Cartwright’s life fell apart. During her first school trip as a young teacher, a student went missing and was never found. Not only was her career ruined, she was also accused of having an affair with fellow teacher and prime suspect Graham. Facing questions from journalists, police and family, Anna said she didn’t know what happened. She was lying. Now, Anna has returned to Australia. Her only hope is Land’s End Area School, an isolated concrete wasteland perched on the cliffs.

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.

My fiancé brought me tea and scrambled eggs in bed that morning, and we snuggled together, talking about buying our rings, and about our perfect wedding next year. Then we headed into town. He held my hand and gazed at the ring I liked best, a smile spreading slowly over his face. Then a glass of bubbly to celebrate. I felt flushed, excited and ready for the rest of my life with the man I loved. We race to get on the train home. It screams to a halt and I run towards its open doors. Made it. I think he’s right behind me — but when I turn around, he’s gone.

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.

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.

Iris Woodmore is a journalist with a hot new story. For the first time in history, two women compete in a by-election to become the third woman elected to Parliament. Iris accompanies one of the candidates to a debate in the House of Commons. But it's a place that holds painful memories. In 1914, Iris' mother died there when she fell into the River Thames during a daring suffragette protest. In the shadow of Big Ben, a waterman tells Iris her mother didn't fall - she jumped.

When the bookshop she owns becomes a crime scene, mystery writer Samantha Washington discovers there is such a thing as bad publicity. After the local library in North Harbor, Michigan, is flooded in a storm, Sam offers her bookstore as a new venue for the Mystery Mavens Book Club. Unfortunately, she immediately runs afoul of the club leader, Delia Marshall, a book reviewer who can make or break careers—something Sam can ill afford with her debut historical mystery soon to be published.

Susan didn’t plan on being an amateur sleuth and, after two successful investigations, she’s looking forward to a quiet Christmas. So, when local businesswoman Meera is in desperate need of help, Susan agrees rather reluctantly. The task should be easy enough. The infamous press mogul Duncan Fern is coming back to the Isle of Wight, the scene of his family’s childhood holidays, to celebrate Christmas with his grown-up children and their partners, his new glamorous wife Kirsten who is forever dripping with diamonds, and the spikey editor of his paper the Morning Flame, Antoine.

Olivia Denis is a content young wife with a carefree life in late 1930s London. Then her world is shattered with the violent death of her husband, Reggie. The police want to call it a suicide and close the case, but Olivia knows Reggie couldn't possibly have fired the fatal shot. Further mysteries surface surrounding her husband's death. Did the trustworthy Foreign Office employee betray government secrets? Was his murder linked to the death of a German embassy clerk the same night? And who searched their flat?

1915, London: Working in the dusty bookshop that her Aunt Violet mysteriously inherited, Hannah Merrill is accustomed to finding twists in every tale. But discovering her beloved best friend Lily-Anne – with a paperknife through her heart – in the middle of the bookshop, is not a plotline she saw coming. The case is anything but textbook. With the discovery of a coded German message, and Hannah’s instinct that Lily-Anne’s husband is keeping secrets, she determines to get to the bottom of it. She can’t do it alone though.