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?

Summer is here and school's out, but boredom quickly sets in for the penniless kids of the Redsow housing estate. If only they had something to do... In an effort to escape a pack of local bullies, best friends, Ashley and Jude, decide to brave Devil's Ditch, a place deep in the woods that everyone says is haunted by something ancient and evil. At first, everything seems fine, but then they discover an old farmhouse covered in weeds. Inside is a naked woman in chains. Her name is Rose, and there's something not quite right about her.

It's snowing over every inch of the Earth; something that should not be possible. Grieving alcoholic Harry Jobson expected to end his night facedown in vomit like most nights down the pub, but the impossible blizzards have made old routines impossible, and he instead finds himself trapped with an odd group of strangers. Everyone is worried by the recent climatic events, but all Harry wants to do is drink alone.

Gordon is an everyday seaside psycho, kidnapping and killing for fun, with a quality torture basement to boot. His latest victim is Jane. Sadly for Gordon, Jane turns out to be a handful of energy. Cosmic energy. And everything is about to go wrong, in the bloodiest way possible. Jane Doe is a novella that some people might find distasteful. Actually, most people might find it distasteful. If you are of a nervous disposition, or have a weak stomach, perhaps you might want to give this one a miss, yes?

Angel knows all about pain. His mother died in this room. He's researched its history. Today he's come back to end it, no matter the cost, once and for all. Shyla, a plus-sized escort, thinks the stories Angel tells her can't be true. Secrets so vile, you won't want to let them inside you. But the Lonely Motel doesn't forget. It doesn't forgive. And it always claims its victim.

Cheryl wants to get to know her co-workers. That's the only reason she agreed to go on a "company outing." She and six of her colleagues are going to be locked inside a room with only their wits to help them. If they escape in time, there'll be prize money. Fail, and the repercussions might be deadly. Cheryl will soon find out that the people she works with all share a secret, one they are willing to kill for.

In a quest for a simpler life, Helen and Nate have abandoned the comforts of suburbia to take up residence on 44 acres of rural land where they will begin the ultimate, aspirational do-it-yourself project: building the house of their dreams. When they discover that this beautiful property has a dark and violent past, Helen, a former history teacher, becomes consumed by the local legend of Hattie Breckenridge, a woman who lived and died there a century ago.

The Ruins follows two American couples enjoying a pleasant, lazy beach holiday together in Mexico. On an impulse, they go off with newfound friends in search of one of their group, the young German who, in pursuit of a girl, has headed for the remote Mayan ruins, site of a fabled archeological dig.

Episode Thirteen takes them to every ghost hunter's holy grail: the Paranormal Research Foundation. This brooding, derelict mansion holds secrets and clues about bizarre experiments that took place there in the 1970s. It's also famously haunted, and the team hopes their scientific techniques and high tech gear will prove it. But as the house begins to reveal itself to them, proof of an afterlife might not be everything Matt dreamed of.

In the summer of 1988, the mutilated bodies of several missing girls begin to turn up in a small Maryland town. The grisly evidence leads police to the terrifying assumption that a serial killer is on the loose in the quiet suburb. But soon a rumor begins to spread that the evil stalking local teens is not entirely human. Law enforcement, as well as members of the FBI, are certain that the killer is a living, breathing madman - and he’s playing games with them.

When leg-breaker Hutch Holtz rolls up to a rundown apartment complex in Portland, Oregon, to collect overdue drug money, a severed hand is the last thing he expects to find stashed in the client’s refrigerator. Hutch quickly realizes that the hand induces uncontrollable madness: Anyone in its proximity is overcome with a boundless compulsion for violence. Within hours, catastrophic forces are set into motion.