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…

Widower Luke Driskell didn’t expect to fall in love and marry again so quickly. But Ashley and her daughter, Joy, are special—a quality borne out when Ashley rushes into a burning day-care center to save the children. Immediately she’s a social media sensation and hero. Then, just as suddenly, Ashley and Joy disappear into the bitterly cold night. With no trace of their whereabouts, Luke begins a panicked investigation. Alarmingly, he can find no proof that the woman he loves even exists. Left behind: just a hidden stash of fake IDs. Different names. Different cities. Same haunted face.

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.

Waiting to be deployed on a critical mission, elite Marine Raider Matthew Redd stops to help a stranger and wakes up hours later to learn his team was wiped out in an ambush. Unable to remember anything, Redd can’t deny the possibility that he’s somehow responsible for the information leak that led to the massacre. He’s given a deal to avoid a charge of treason, but it means walking away from the Corps and the life he loved. As he faces his loss, Matty gets a cryptic message from his adoptive father, J. B.: “Trouble’s come knocking. . . . Might need your 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 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.”

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.

Benny Catspaw’s perpetually sunny disposition is tested when he loses his job, his reputation, his fiancée, and his favorite chair. He’s not paranoid. Someone is out to get him. He just doesn’t know who or why. Then Benny receives an inheritance from an uncle he’s never heard of: a giant crate and a video message. All will be well in time.

When human bones are found beneath an old chapel in the woods, evidence suggests the remains could be linked to the decades-old case of missing teen Annalise Jansen. Homicide detective Jane Munro—pregnant and acutely attuned to the preciousness of life—hopes the grim discovery will finally bring closure to the girl’s family. But for a group of Annalise’s old friends, once dubbed the Shoreview Six by the media, it threatens to expose a terrible pledge made on an autumn night forty-seven years ago.

Special Operations Chief Tyler Brooks might not know quantum mechanics, or have an eidetic memory, but he is the very best in the world at one thing: leading covert ops. When an unpredictable enemy causes the catastrophic loss of his entire SEAL team, Brooks is recruited by Pat Moody to lead a new elite squad, Task Force Omega. Moody’s promise—access to mind-bending tech that grants a glimpse of the future.

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.

Ben is a painter from the crowded, turbulent city. For six months his fiancée, Cara, has been working on the remote island of Sanctuary Rock, the private estate of millionaire philanthropist Sir John Pemberley. Now she has decided to break off their engagement and stay there for good. Ben travels to the island to try and win Cara back. After an arduous journey, he finds himself compelled to stay. But as Ben begins to traverse Pemberley’s kingdom, he begins to uncover the truth of the apparently perfect society the enigmatic Sir John is building.

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.”

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.

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.

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.

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.

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.

They were madly in love. The perfect couple. That was the story everyone in South River believed...until Gin Talcott and Adam Archer are found shot in their bed. Adam is dead at the scene. Gin is fighting for her life. Detectives Greta Jessup and Finn Pate are assigned to the case. Greta has a long history with Gin’s first husband, Eddie, and is determined to protect his 18-year-old twins. Piper discovered the bodies. Daniel is missing—and so is Adam’s gun.

Sloan will go through hell and back for those she loves. And she does so, every single day. Caught up with the alluring Asa Jackson, a notorious drug trafficker, Sloan has finally found a lifeline to cling to, even if it’s meant compromising her morals. She was in dire straits trying to pay for her brother’s care until she met Asa. But as Sloan became emotionally and economically reliant on him, he in turn developed a disturbing obsession with her—one that becomes increasingly dangerous every day.

Tess Strebel can’t recognize her own face. She can’t recognize her home. Her bedroom is unfamiliar. And she can’t remember the handsome stranger lying next to her in bed. A stranger who claims he’s her husband. Tess reads a letter in her own handwriting, composed during a rare lucid day, explaining her life as it now exists: she was in a terrible car accident one year ago. Every morning, she wakes up unable to remember most of the last decade. Including her own wedding.