The first victim is found in a snow-covered Philadelphia field. Detective Vito Ciccotelli enlists the aid of archaeologist Sophie Johannsen to determine exactly what lies beneath the frozen ground. Despite years of unearthing things long buried, nothing can prepare Sophie for the matrix of graves dug with chilling precision. The victims buried there haunt her. But the killer isn't done yet. He is cold and calculating, the master of a twisted game. Even with Vito and Sophie hot on his trail, he will not stop.

Psychiatrist Tess Ciccotelli has spent her entire career trying to help people, and now, just as her patients are making headway and her practice is thriving, everything is about to come crashing down. Someone is using her patients' deepest, darkest secrets against them, pushing them to commit suicide, and framing Tess in the process.

There is a serial killer on the loose preying on vulnerable women. The only identifiable mark the killer leaves are letters - sometimes one, sometimes two - all carved into the torsos of his victims. Together, they spell “Sydney”. When he grabs Daisy Dawson, he believes he has found his next victim. But despite her small stature, she fights back with an expertise that quickly frees her. Before fleeing the scene, Daisy also manages to grab what proves to be crucial evidence: a necklace from around the killer’s neck.

FBI Hostage Rescue Team member Shane Livingstone is frustrated when an injury sidelines him during an operation to catch a sadistic killer. A killer who auctions off vicious ways to torture his victims and screens the events for money on the dark web. When a teammate dies during the op, a devastated Shane vows to track down the monster responsible—but to do so he’ll need access to specialized skills he doesn’t possess.

At first, they struggle to escape. Then a torrent of blows rains down upon their bodies until their eyes cloud over in final agony. The killer shows no remorse - just a twisted need to witness each victim's last terrified moments. Public defender Rachel Wainwright is struggling to reopen a decades-old case, convinced that the wrong man is in prison. Homicide detective Deke Morgan doesn't want to agree. But if Rachel's hunch is correct, whoever fatally bludgeoned young, beautiful Annie Dawson 30 years ago could be the source of a new string of brutal slayings.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

It's been seven years since the Seattle Strangler terrorized the city. His victims were all young, pretty, their lifeless bodies found wrapped in a home-sewn white dress. But there was one who miraculously escaped death, just before the Strangler disappeared. Lara Church has only hazy memories of her long-ago attack. What she does have is a home in Austin, a job, and a chance at a normal life at last. Then Texas Ranger James Beck arrives on her doorstep with shattering news: The Strangler is back....

In the still shadows of the confessional, a madman tauntingly reveals his plan for a murder he is going to commit, pulling Father Thomas Madden into a twisted game by disclosing his next intended victim: Tom's sister, Laurant. In a frantic race to protect her, Tom calls upon his best friend, elite FBI agent Nick Buchanan, to track the predator who is closing in on Laurant. Now, as an electrifying attraction grows between Laurant and Nick, so does the danger - and one false move will cost both of them everything that matters.

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.

Katherine Cole thought her fiancé was the perfect man - until he turned out to be the perfect killer. He left his victims stabbed through the heart holding a telltale single red rose and was deemed the Valentine Killer. Three years ago he vanished. Now he’s back. And he’s hunting the one who got away. In New Orleans, Katherine dared to hope she was finally safe, yet somehow he found her. This time, Katherine won’t just sit silently by; she’ll do anything to stop the monster she once loved, even trust the sexy cop promising to keep her safe.…

After five years in hiding from their murderous father, the day Kristen and Ryan McIntyre have been dreading has arrived: Boyd McIntyre, head of a Los Angeles crime family, has at last tracked his kids to a small Montana town and is minutes away from kidnapping them. They barely escape in a small plane, but gunfire hits the fuel line. The pilot, a man who has been raising them as his own, manages to crash land in the middle of the Montana wilderness. The siblings hike deep into the woods, searching desperately for safety—unaware of the severity of the approaching storm.

FBI special agent Zoe Spencer uses skeletal remains to recreate the faces of murder victims through sculpture. Though highly scientific, the process is also sensitive and intimate; she becomes attached to the individuals she identifies, desperate to find justice for each. As Zoe examines old remains, she sees a teenage girl looking back at her - the victim in a cold case from over a decade ago.

When a woman is found brutally murdered on Austin’s lakeside hike-and-bike trail, investigative reporter Bailey Rhoads turns up on the scene demanding access and answers. She tries to pry information out of the lead Detective Jacob Merritt, but this case is unlike any he’s ever seen, and nothing adds up. With the pressure building, Jacob knows the last thing he needs is a romantic entanglement, but he can’t convince himself to stay away from Bailey.

In Hot Blooded, she transports listeners into the heart of New Orleans, where a deluded murderer is on a holy quest of vengeance. Dr. Samantha Leeds hosts her own late-night radio talk-show on WSLJ. One day she receives a menacing phone call at her home, while miles away, a prostitute is strangled to death. Seemingly unrelated, nobody connects the two events until more murders occur under similar circumstances.

A tough special agent with the Department of Justice and a dedicated single mother to her orphaned nephews, Samantha Chase is unbreakable. Until two women, both from the shadows of Sam's past, are discovered strangled. For Sam, the most unnerving detail is the eucalyptus branch tucked behind the victims' ears - the signature of a notorious serial murderer already convicted and executed for his crimes.