FBI Special Agent Claire King dies chasing a killer—and is resuscitated minutes later to realize she has changed. Dark images flash through her mind in a newfound power, visions leading her towards serial killers. But the riddles that plague her are obscured and conflicting, and Claire soon realizes that they may lead her to crack a case—or may just put her in the crosshairs of a killer.

FBI Special Agent Ruby Hunter wants nothing more than to put the 13 killer, and her days in the FBI, behind her, and to try to pick up the pieces of her life. But he refuses to rot quietly. Ruby realizes she must do the thing she dreads the most: Visit him in prison. But he is diabolical and cunning, an expert at toying with his victims—and with her.

FBI Special Agent Maya Gray, 39, has seen it all. She’s one of BAU’s rising stars and the go-to agent for hard-to-crack serial cases. When she receives a handwritten postcard promising to release 12 kidnapped women if she will solve 12 cold cases, she assumes it’s a hoax.

FBI Special Agent Taylor Sage has crossed the country and transferred to her dream job with the BAU at Quantico. With a new job, a new house, and her husband by her side, Taylor is ready to put the darkness of her past behind her: a sister who vanished when she was a teenager.

The FBI is alarmed by the rash of killings on trains throughout the country, and they realize they have to put together a joint task force to tackle it. Through a partnership with the rail police, FBI Special Agent Cailtin Dare is chosen to spearhead the new unit designed to hunt killers using trains across the country.

FBI Special Agent Eve Hope can’t escape the shadow of her notorious serial killer father—though he is jailed, the puzzle of the loving father of her childhood haunts her, and now, assigned to a copycat case, she is forced to face her worst memories. Can she stop this new killer before he claims a new victim—while saving herself from being swallowed by her past?

FBI Special Agent Faith Bold, hospitalized and haunted by her encounter with a serial killer, is ready to retire—when Turk, a K9 German shepherd, himself traumatized, comes into her life. When a new serial killer strikes, leaving his victims at the bottom of isolated wells, Faith, this time with Turk at her side, will stop at nothing to hunt him down and save the next victim before it is too late.

Despite being a rising star in the BAU unit, FBI Special Agent Hailey Rock still lives in the shadow of her older sister, who remained in their small Midwestern town to become a police sheriff and who remains the favorite in their parents’ eyes. Hailey has not thought of her estranged family in ages, but when young women turn up dead in her hometown, the FBI dispatches Hailey to solve the case her sister cannot—and forces her to face demons, including that of her kidnapped sister, that Hailey wished she would never face again.

With a string of unsolved murders up and down the Mississippi River, the FBI assembles a task force, assigning their best Minnesota field agent, Grace Ford, to partner with an agent from their Louisiana office. Despite their culture clash, the two must work together to traverse the country cracking the hardest cases—and stop the next killer before it’s too late.

In a small harbor town in Maine, police officer Reese Link’s first day on the force begins with a bang: the first homicide this town has seen in years. Reese hopes to step into her dead brother’s shoes, but with her newly assigned partner having just shot himself and a diabolical killer on the loose, Reese wonders: does she have what it takes to outwit him—and to save another life?