Rush hour, London. A packed commuter train is torn apart in a collision. Picking through the carnage, ex-special forces profiler Ziba MacKenzie helps a dying woman who passes on a cryptic message: He did it. You have to tell someone. When a corpse is found bearing the gruesome signature of a serial killer dormant for twenty-five years, Ziba is pulled into the hunt for the perpetrator. As the body count rises it becomes clear he’s on a new spree. But what’s brought the London Lacerator back after such a long hiatus?

Four years in, Stevie and Nate’s true-crime podcast, All the Gory Details, is forced onto hiatus when their conclusions in their first-ever episode, about the unsolved murder of teenager Lauren in their hometown seventeen years ago, are proven wrong. Their mistake ruined a life, and Stevie and Nate are still reeling from the consequences. Still, when a fresh murder frighteningly similar to Lauren’s is brought to their attention, Nate is adamant that they should resurrect the podcast.

It’s the worst possible time for Detective Kerri Devlin to be involved in an all-consuming double-homicide case. She’s locked in a bitter struggle with her ex-husband and teenage daughter, and her reckless new partner is anything but trustworthy. Still, she has a job to do: There’s a killer at large, and a pregnant woman has gone missing. Once Devlin and her partner get to work, they quickly unearth secrets involving Birmingham’s most esteemed citizens. Each new layer of the investigation brings Devlin closer to the killer and the missing woman.

When a young red-haired woman is found brutally murdered in downtown Chicago, one detail stands out: the red lipstick encircling her wrists and ankles. Detective Harriet Foster is on the case, even though she’s still grieving the sudden death of her partner. As a Black woman in a male-dominated department, Foster anticipates a rocky road ahead acclimating to a new team—and building trust with her new partner isn’t coming easily. After another victim turns up with the same lipstick markings, Foster suspects she’s looking for a serial killer. 

Two years ago, Darren Street made a name for himself as the man who rooted out corruption in the district attorney's office. Now the hotheaded young lawyer is in the public eye yet again - this time, accused of murder. Jalen Jordan retained Street for what seemed to be a minor traffic violation, but when evidence turned up linking Jordan to the death of two boys, Street wanted out of the case.

When Detective Billie Ann Wilde receives a desperate call that five-year-old Emma Wilson is missing, she rushes to the family home. But inside the picture-perfect house surrounded by Florida marshlands, she finds no children’s clothes or toys, no photos of the innocent child Emma’s mother Marissa describes. Billie suspects Marissa Wilson is hiding from someone.

Coming from scandalous Florida treasure hunters and drug smugglers, Sloan McPherson is forging her own path, for herself and for her daughter, out from under her family’s shadow. An auxiliary officer for Lauderdale Shores PD, she’s the go-to diver for evidence recovery. Then Sloan finds a fresh kill floating in a canal - a woman whose murky history collides with Sloan’s. Their troubling ties are making Sloan less a potential witness than a suspect. And her colleagues aren’t the only ones following every move she makes. So is the killer.

On the eve of their thirtieth birthday, twins Jasmine and Nicolas Moretti celebrate late into the night. But when Nicolas wakes several hazy hours later, Jasmine is dead—and he is covered in her blood. Panicking, he takes the murder weapon and runs into the cold Stockholm night. For the police, it’s an open-and-shut case. Nicolas is guilty. And given that he remembers so little of what happened that night, even he isn’t convinced of his innocence.

When eight-year-old Kathy Stone turns up on the side of the road a year after her abduction, the world awaits her harrowing story. But Kathy doesn’t say a word. Traumatized by her ordeal, she doesn’t speak at all, not even to her own parents. Child therapist Robin Hart is the only one who’s had success connecting with the girl. Robin has been using play therapy to help Kathy process her memories. But as their work continues, Kathy’s playtime takes a grim turn: a doll stabs another doll, a tiny figurine is chained to a plastic toy couch.

Scarlet Drew isn’t to be messed with. As the daughter of a notorious London gangster, she’s got enough street smarts to take on the world. But when the most important person in Scarlet’s life is murdered in cold blood on the East End streets where she grew up, she can only think of one thing - revenge. Scarlet’s aunt, Lily, is fierce, straight-talking and a force to be reckoned with. As head of the family firm and queen of the London underworld, she welcomes her niece into the business and swears to help her get revenge - after all, family comes first.

Jimmy Byrne is one of the biggest faces on the Soho scene. Equally feared and respected, he's clawed his way to the top. Money is his game, and he'll make it by any means necessary. When Jimmy sets his sights on shy, young Colleen Walsh, she is quickly seduced by his sweet words and the life of luxury he offers her. But behind the diamonds and fur coats lies the reality of gangland violence - and by the time she realizes the truth, she's already in too deep.

Still reeling from a devastating personal tragedy, air marshal turned investigator Seth Walker embarks on his first case. All he has to do is accompany female pop star Max Magic to Los Angeles and deliver her to the FBI. But when their routine flight ends in a hail of gunfire at LAX, Walker has no choice but to take the frightened diva on the run.

Just who is this strange woman at number 19? And why is Esther so obsessed with her? Esther lost her husband, Julian, and her children, Harriet and Dexter, in a car accident and is struggling with her grief. Spurred on by her own loneliness and a need to make amends for not being able to save her own children, Esther takes it upon herself to watch the woman who lives at number 19. But when inexplicable incidents begin to happen in Esther’s house, she begins to fear for her safety. Meanwhile, over at number 19, the woman’s behaviour is becoming more explosive and unpredictable.  

Beatrix Rose has been betrayed. Her husband has been murdered and her daughter, Isabella, abducted. She flees to the Hong Kong underworld to plot her revenge. Those who wronged her will pay. Beatrix is the most dangerous woman you’ve ever met. She was an assassin for The Firm, the beyond top secret agency that did the dirty work for the British Secret Services. She is lethal. Ethically flexible. Totally ruthless. And you know what they say about payback.

With his marriage over and his career in freefall, journalist Tom decides to reconnect with his fourteen-year-old daughter, Frankie. Desperate to spend precious time together now that they live an ocean apart, he brings her to Hollow Falls, a cabin resort deep in the woods of Maine. From the outset there’s something a little eerie about the place - strange whispers in the trees, windchimes echoing through the forest - but when Tom meets true-crime podcasters David and Connie, he receives a chilling warning. Hollow Falls has a gruesome history.