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....

Twin sisters Marisa and Clare Stockton were sixteen when Clare’s body was found in Virginia’s James River. No arrests were made. Fourteen years later, Marisa’s friends and dedicated career as a photographer help her to cope with the open wound of the past. But Marisa still feels the hurt—and the unsolved murder isn’t the only thing haunting her. A recent car crash has erased ten days of Marisa’s memories—a black hole leading up to the accident that’s left her disoriented.

Lane McCord wakes up in a hospital having survived a near-fatal fall at a North Carolina beach cottage. Her boyfriend, Kyle, wasn’t so lucky. A senseless tragedy on their first romantic getaway. All Lane remembers is lying at the bottom of the stairs in Kyle’s pooling blood. Confused and grieving, Lane plans to return to the cottage, collect her personal belongings, and get out. Until a winter rainstorm leaves her stranded and vulnerable, but not alone. A concerned neighbor, who claims he heard a violent argument before the accident, has come out of the storm.

Forensic psychologist and single mother Ann Bailey has joined forces with Montana Highway Patrol officer Bryce McCabe. An expert in untangling the motives of depraved minds, Ann is tasked to help solve the mystery of two murdered women doused with gasoline and set aflame. It’s not hard for Ann to be reminded of the charismatic Elijah Weston, who served a decade in prison for arson - a crime that nearly cost Ann her life. Elijah may have been exonerated, but the connection to these rage killings is impossible for Ann to ignore.

At the grisly murder scene of a teen prostitute, Virginia state trooper Riley Tatum's past roars back to haunt her. When she was a teenage runaway, she was kidnapped, drugged, and left unconscious on the streets. She has no memories of what happened, only strange recurring dreams of two men playing cards. Former FBI agent Clay Bowman, Riley's old flame, is Shield Security's newest member. He's plagued by the unsolved case of a serial killer nicknamed the Shark who murdered girls as part of a sadistic poker game.

Special Agent Macy Crow is a survivor. After a vicious hit-and-run nearly kills her, she gets right back to work, and now she’s gunning for a spot on the FBI’s elite profiling team. As an audition, she offers to investigate the recently discovered bones of Tobi Turner, a high school girl who disappeared fifteen years ago. While investigating with local sheriff Mike Nevada, a former colleague and onetime lover, Macy discovers a link between Tobi’s case and several others that occurred around the same time as her disappearance.

Ten years ago as an undergrad, Joan Mason escaped an arsonist’s fire. Shaken, she fled the small collegiate Montana town, leaving behind friends and not looking back. Now a Philadelphia homicide detective, Joan’s trying to put her traumas to rest. It’s not easy. Elijah Weston, the classmate who torched her house, is out of prison and returning to Missoula. Gut instinct tells Joan he’ll strike again. To stop him, she must return to the past as well. To face not only the man she fears but Detective Gideon Bailey, too. The man she loved and left behind.

Austin homicide detective Jordan Poe is hunting a serial killer she fears is the same man who assaulted her sister, Avery, two years ago. The details line up: the victims are the same age, same type, dead by the same grim MO. Luckily Avery survived. But the terrible memories linger, making Jordan more determined than ever to stop this monster in his tracks.

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. 

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.