Seven years after making her escape from an abusive marriage, Dr. Annabelle Schwartzman is settling into her position as medical examiner in the city of San Francisco. Doing what she loves, she can almost put the trauma of her past behind her—until she confronts the case of a young woman, 16 weeks pregnant. Everything about the case says the woman took her own life. As hard as Schwartzman tries to make peace with the evidence in her head, something about the case won’t leave her alone. She’s all too aware of how similar the circumstances are to her own past. 

After surviving a car accident on an icy road in Hagen, North Dakota, Lily Baker regains consciousness with no idea where or who she is. Scattered Bible verses and the image of a man lying in a pool of blood haunt her memory. The same night of the accident, a young woman is murdered and tossed in a dumpster. Kylie Milliard, Hagen's only detective, doesn't immediately recognize the victim, but Kylie soon discovers that Lily and the dead woman share a dark past...if only Lily could remember what it was.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

Ex-crime reporter Leonard Blaylock spends his days on an unusual hobby, developing strangers’ forgotten and discarded rolls of film. He loves the small mysteries the photographs reveal to him. Then Leonard finds something no one would ever expect, or want, to see captured on film—the murder of a young woman. But that’s impossible, because the woman is already dead. Leonard was there when it happened five years earlier.

When Hanlon is suspended from the force for assaulting a suspect, she escapes to the remote Scottish island of Jura, home to the mysterious Corryvreckan whirlpool. But wherever Hanlon goes, violence is sure to follow. As soon as she checks into The Mackinnon Arms, Hanlon senses something isn't quite right about the staff at her home for the week. Sure enough, within days of arriving, the body of a member of staff is found floating in the sea. While police believe she was claimed by the local whirlpool, Hanlon isn't so sure.

Private investigator Jessica Shaw is used to getting anonymous tips. But after receiving a photo of a three-year-old kidnapped from Los Angeles twenty-five years ago, Jessica is stunned to recognize the little girl as herself. Eager for answers, Jessica heads to LA’s dark underbelly. When she learns that her biological mother was killed the night she was abducted, Jessica’s determined to solve a case the police have forgotten. 

On a hot July morning on Sweden's idyllic vacation island of Sandhamn, a man takes his dog for a walk and makes a gruesome discovery: a body, tangled in fishing net, has washed ashore. Police detective Thomas Andreasson is the first to arrive on the scene. Before long, he has identified the deceased as Krister Berggren, a bachelor from the mainland who has been missing for months. All signs point to an accident - until another brutalized corpse is found at the local bed-and-breakfast.

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. 

London, 1941: Major Edgar Brampton is found shot dead in his office in Buckingham Palace. All signs point towards a self-inflicted tragedy, but when Palace authorities hurry his body away and order staff to stay silent, fellow courtier Guy Harford's suspicions are raised. While the outside world faces the onslaught of war, within the Palace walls a curious mystery unfolds. Rumours swirl about Brampton's relationship with the Queen, and there's talk of other plots involving those closest to the King.

When two young girls disappear from their primary school, the village of Heighington is put on high alert—and not for the first time. Called in to investigate, Detective Karen Hart is sure that parallels with a previous disappearance are anything but coincidental. DS Hart is still reeling from a case she tried and failed to solve eighteen months ago, when a young woman vanished without a trace. She’s no nearer to the truth of what happened to Amy Fisher, but with two children missing now, too, the stakes have never been higher.

Shayna Darby is finally coming to terms with her parents’ deaths when she’s delivered another blow. The body of her estranged twin sister, Angela - the possible victim of a serial killer - has been pulled from the Seine. Putting what’s left of her life on hold, Shayna heads to Paris. But while cleaning out Angela’s apartment, Shayna makes a startling discovery: a coded message meant for her alone... Alive. Trust no one.

Still haunted by his wife's murder - and stained by the blood of avenging it - FBI special agent Hatcher McGee can't believe he's being teamed up with rookie agent Korine Davenport. She is his most guilty secret - the one-night stand who almost cost him everything. Korine has her own demons. As a child, she witnessed her father's murder, and she's spent her life waiting for the killer's return. She and Hatcher are both looking for closure, but the disturbing case that draws them together could be their last.

After the devastating loss of her husband in Iraq, Morgan Dane returns to Scarlet Falls, seeking the comfort of her hometown. Now, surrounded by family, she’s finally found peace and a promising career opportunity - until her babysitter is killed and her neighbor asks her to defend his son, Nick, who stands accused of the murder.

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.  

Ten years ago, PI Jessie Cole and reporter Ben Morrison each suffered a tragedy that changed their lives - and now these two strangers are about to share a nightmare. For Jessie, who makes her living finding missing persons, no case has consumed her more than the disappearance of her younger sister, Sophie. But left alone to raise Sophie's daughter, she realizes that solving the case has become an unhealthy obsession.