Cops can make mistakes, even when they're not rookies. Deeply traumatized by a shooting incident, Cass Raines resigned from the Chicago PD, leaving one less female African-American on the force. Now she's the head of a one-woman private investigation agency. She also plays chess with the only father figure she's ever known, Father Ray Heaton. When Father Ray asks Cass to look into a recent spate of vandalism at his church, she readily agrees to handle the case. But only hours later she's horrified to discover his murdered body in the church confessional, a dead gangbanger sprawled out nearby.

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.

Everyone in the small town of Denton is searching for Isabelle Coleman, a missing 17-year-old girl. All they've found so far is her phone and another girl they didn't even know was missing. Mute and completely unresponsive to the world around her, it's clear this mysterious girl has been damaged beyond repair. All Detective Josie Quinn can get from her is a name: Ramona. Currently suspended from the force for misconduct, Josie takes matters into her own hands as the name leads her to evidence linking the two girls.

The double murder of a married couple in a small Washington town draws FBI forensic linguist Raisa Susanto into an investigation that mirrors a decades-old crime. Twenty-five years ago—to the day—Alex Parker murdered his parents, then took his own life, leaving behind a note admitting everything. Raisa, paired with forensic psychologist Callum Kilkenny, uses her skills to read between the lines. Especially now that paranoid postings on a conspiracy thread suggest that Alex was a victim himself.

Legal investigator Finley O’Sullivan searches for evidence the police overlooked, wading through secrets, lies, and betrayal to find answers. With the unsolved murder of her husband still very much on her mind, Finley must confront her own personal trauma on a daily basis. Lies are part of her livelihood, but they’re also the reason she can’t get justice for the man she loved. When a man imprisoned for murder recants his confession, claiming he cleaned up the mess for his girlfriend—the victim’s own daughter—Finley takes on the case.

On the day Stockholm police officer Hanna Ahlander’s personal and professional lives crash, she takes refuge at her sister’s lodge in the Swedish ski resort paradise of Åre. But it’s a brief comfort. The entire village is shaken by the sudden vanishing of a local teenage girl. Hanna can’t help but investigate, and while searching for the missing person, she lands a job with the local police department. There she joins forces with Detective Inspector Daniel Lindskog, who has been tasked with finding the girl. Their only lead: a scarf in the snow.

Former CIA assassin Alex Parker works for The Gateway Project, a clandestine government organization hell-bent on taking out serial killers and pedophiles before they enter the justice system. Alex doesn't enjoy killing, but he's damn good at it. He's good at dodging the law, too--until a beautiful rookie agent has him wondering what it might be like to get caught.

This is Reaper speaking. So begins an anonymous letter published in a Utah newspaper after a young couple is viciously murdered. Tooele County sheriff Elizabeth Gray leads the investigation into the double homicide, which is eerily reminiscent of a string of brutal killings years ago. When the letter leads detectives to yet another body, Gray calls on an old friend for help.

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.

Former Olympic athlete and sports reporter Kate Green isn’t sure how much more tumultuous her life can get. She’s been put on temporary leave from her job, then NBA superstar Kurt Robbins is killed and the prime suspect in his murder is none other than his wife…and Kate’s best friend.