When Rachel Murdock and her sister Jennifer receive a call for help from their favorite niece, Lilly, in Breakers Beach, California, they quickly hop a train from Los Angeles to see her-but not before collecting their prized cat Samantha in a picnic basket and bringing her along for the ride.

December 1927. Mystery-writer Marius Quin has one previous bestseller, endless looming mortgage payments, and no idea how to write his next book. When his childhood friend Lady Isabella Montague invites him to an intimate New Year’s Eve party hosted by a narcissistic actor, Marius seizes upon the distraction. With his perpetually glum Basset hound along for the ride, he navigates the snowy lanes to the opulent estate of Everham Hall. As the celebrations begin, fireworks light up the sky, champagne corks pop, and then the host is murdered…

London, 1921: Mabel Canning is proud to be a modern woman working for the Useful Women’s Agency, carrying out tasks for gentlewomen from flower arranging to washing muddy dogs. But when she answers the door for wealthy widow Rosalind Despard, she almost chokes on her cucumber sandwich when she finds a soldier’s body on the doorstep. As she offers tea to the policemen of Scotland Yard, Mabel can’t resist getting drawn into the investigation.

Molly Murphy always knew she'd end up in trouble, just as her mother predicted. So, when she commits murder in self-defense, she flees her cherished Ireland, under cover of a false identity, for the anonymous shores of late 19th-century America. When she arrives in New York and sees the welcoming promise of freedom in the Statue of Liberty, Molly begins to breathe easier. But when a man is murdered on Ellis Island, a man Molly was seen arguing with, she becomes a prime suspect in the crime.

When Brian Foley is charged with the murder of his next-door neighbour, the fastidious Arthur Cranham, it seems the case against the blustering showman is cut and dried: prints, DNA, CCTV footage - there can't be any doubt. After all - Brian and Arthur have famously been at war for years. But Jack and Sarah are convinced that the police have it wrong. With time running out, can they prove Brian's innocence and find the real killer? Set in the sleepy English village of Cherringham, the detective series brings together an unlikely sleuthing duo: English web designer Sarah and American ex-cop Jack.

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.

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.

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.

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.

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.

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.

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?

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.