It is six years since special agent Samuel Lynch left the FBI following the disappearance of his son, Daniel. Lynch believes an underground organisation known as The Railroad is responsible and has never stopped searching.

When four unconnected serial killers simultaneously commit identical murders across four different US cities, FBI Special Agent Shannon Wallace faces an unprecedented threat—a cooperative of killers working in unison. Each homicide is witnessed by a survivor, and now these lucky ones need to decide how to tell their stories to the world. Their posts about the horrific murders create a media storm and a new term is soon coined for the killers: The Alliance.

When a body is discovered, bled dry on a beach, the sleepy seaside town of Weston-super-Mare wakes up to a nightmare. For Detective Inspector Louise Blackwell, recently transferred to the town she last saw as a child, it’s her first case on the job. The victim - Veronica Lloyd, an elderly volunteer at a local church - has puncture wounds to her hands. When a priest is found killed in a nearby church in a similarly grisly condition, it becomes clear that Blackwell is dealing with a righteous and bloody murderer. But the victims aren’t random.

Twenty years ago, in the seaside town of Galveston, Texas, Annie Randall took her dog for a walk. The dog returned. Annie did not. When her body was found, cruelly broken and posed like a runner, there was only ever one suspect: Annie’s husband, Frank. Now he’s served his time and come home–but the locals won’t let him forget. Especially when there’s a new ‘running girl’ murder…

Tragedy has stalked Blake Larsen her entire life. After the violent death of her parents leaves her orphaned, her Green Beret brother Caleb is all she has left. He was there the day she graduated high school and the first person she called after she became a federal agent. Then the cops find him swinging from the rafters. The horrific discovery pushes Blake to the edge of despair. Then one of Caleb's closest friends is violently murdered outside her front door—and the killer snatches a folder from his dying fingers. It's clear Kyle was silenced moments before coming clean

Since her police-officer husband Eric's mysterious murder, Carly Harris has been struggling to support herself and their infant son. Her career as an antique dealer isn't sustainable, nor is her dream of becoming a novelist. So, when her grandmother proposes she and her two sisters restore the family's large Beaufort home and turn it into a bed-and-breakfast, she immediately gets to work clearing out the house. In the process, she uncovers a family secret that Eric kept hidden. And an heirloom that the wrong person wouldn't hesitate to kill for.

Ten years ago, in the pine-shaded town of Savage Ridge, Nick, Emmy, and Pete murder their high school classmate, Sammy Saint John. His body is never found, and no arrests are made. The three friends make a pact to leave Savage Ridge and never return. Now, each is drawn home, seemingly by chance or fate. But it's neither: Private Investigator Sloane Yo has brought them back to finally answer for their crime.

Jem begins to track down the people who were there the night Toby died – a close circle of friends once known as the ‘Seven Wonders’ for their charm and talent – only to find them as tormented and broken as himself. All of them knew and loved Toby at Oxford. Could one of them really be his killer? As Jem grows closer to uncovering what happened that night, his pursuer grows bolder, making increasingly terrifying attempts to silence him for good. Will exposing Toby's killer put to rest the shadows that have darkened Jem’s life for so long? Or will the gruesome truth only put him in more danger?

After discovering seven men murdered aboard their yacht–including two Senate rivals–Israel Pike is regarded as a prime suspect. A troubled man infamous on Salvation Point Island for killing his own father a decade before, Israel has few options, no friends, and a life-threatening secret. Elsewhere on the island, 12-year-old Lyman Rankin seeks shelter from his alcoholic father in an abandoned house only to discover that he is not alone. A mysterious woman greets him with a hatchet and a promise: “Make a sound and I’ll kill you.”

Kurt Argento, an ex-Detroit street cop who can’t let injustice go—and who has the fighting skills to back up his idealism. If he sees a young girl being dragged into an alley, he's going to rescue her and cause some damage. When he does just that in a small corrupt Missouri town, he’s brutally beaten and thrown into a maximum-security prison. Julie Wakefield, a grad student who happens to be the governor's daughter, is about to take a tour of the prison. But when a malfunction in the security system releases a horde of prisoners, a fierce struggle for survival ensues.

Keera Duggan was building a solid reputation as a Seattle prosecutor, until her romantic relationship with a senior colleague ended badly. For the competitive former chess prodigy, returning to her family’s failing criminal defense law firm to work for her father is the best shot she has. With the right moves, she hopes to restore the family’s reputation, her relationship with her father, and her career.

Savannah Webster is trying to find her way forward. She and her husband, Hez, have been separated since tragedy tore them apart and he began numbing his grief and guilt with alcohol. She returned to Tupelo Grove University, which her family helped found over a century ago, to teach history. When Hez turns up in her classroom asking for a second chance, she rejects the idea immediately. But twenty-four hours later she’s under suspicion for murder, and since Hez is the best attorney she knows, she reluctantly asks him for help.

Lee Acker is horrified by the violent killing of his childhood best friend. And he is equally distraught to discover that he stands wrongly accused of the crime. As a whirlwind of media frenzy and a high-profile investigation descend on Lee's ordinarily quiet Georgia town, he boldly flees to Mexico in a hunt for answers. But Lee barely has time to catch whispers of shady international dealings before he finds himself detained and extradited back to the United States to stand trial. Now, Lee's last hope rests with the local legal community's rising star, Maggie Reynolds.

After three decades in counterintelligence, Brad Trasker is retired, disillusioned, and dealing with a tragic loss. Spy games are behind him until he attends the launch of a next-generation aircraft. When the project of innovative aerospace CEO Kylie Connor explodes on the tarmac—nearly killing her in the process—Trasker is pulled back into the line of fire. The mystery of the sabotage quickly deepens.

Wounded in the line of duty, former K9 Handler Maddie Castle finds herself back to square one. The bullet that shredded her leg took the life of her four-legged partner. The pain of recovery goes well beyond the daily physical torment she endures.

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.

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?

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.