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.

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.

Alexa Chase, 34, a brilliant profiler in the FBI’s Behavioral Analysis Unit, was too good at her job. Haunted by all the serial killers she caught, she left a stunning career behind to join the US Marshals. As a Deputy Marshal, Alexa—fit, and as tough as she is brilliant—could immerse herself in a simple career of hunting down fugitives and bringing them to justice.

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.

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.

In the remote forests of Stillwater, Minnesota, you can scream for days and no one will hear you. So when the bodies of two 15-year-old girls are discovered frozen in the snow, Special Agent Nikki Hunt is sure the killer is local: Someone knew where to hide the girls and thought they would never be found. Though Nikki hasn’t been home in 20 years, she knows she must take over the case.

When a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

Twenty years ago Emily Mills's father was murdered, and she found his body hanging in the backyard. Her younger sister, Madison, claims she was asleep in her room. Her older sister, Tara, claims she was out with friends. The tragedy drove their mother to suicide and Tara to leave town forever. The killer was caught. The case closed. Ever since, Emily and Madison have tried to forget what happened that night - until an eerily similar murder brings it all back.

Recently engaged and deeply ensconced in her third year of surgical residency in Chicago, Emily Hartford gets a shock when she is called home to Freeport, Michigan, the small town she fled a decade ago after the death of her mother. Her estranged father, the local medical examiner, has had a massive heart attack. At the hospital, she finds her father in near total denial of the seriousness of his condition. He insists that the best thing Emily can do to help him is to take on the autopsy of a senator's teen daughter whose sudden, unexplained death has just rocked the sleepy town.

Kit Darling is a maid with a snooping problem. She’s the “invisible girl,” compelled to poke into her wealthy clients’ closely guarded lives. It’s a harmless hobby until Kit sees something she can’t unsee in the home of her brand-new clients: a secret so dark it could destroy the privileged couple expecting their first child. This makes Kit dangerous to the couple. In turn, it makes the couple—who might kill to keep their secret—dangerous to Kit.

What would you do if the man of your dreams hides the soul of a killer? Jim Beckett was everything she'd ever dreamed of...But two years after Tess married the decorated cop and bore his child, she helped put him behind bars for savagely murdering ten women. Even locked up in a maximum security prison, he vowed he would come after her and make her pay. Now the cunning killer has escaped - and the most dangerous game of all begins....

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.

Alice and Seth are a perfect love story: the handsome doctor and his beautiful fiancée. They’re wealthy, well liked and made for each other—the envy of all their friends. Alice can’t wait for the day of their dream wedding. But when she arrives at the altar, she doesn’t recognise the man waiting to marry her. When this stranger insists he’s Seth, her husband-to-be, the entire congregation seems to agree. Even her parents try to persuade Alice to go through with the wedding.

FBI special agent Mercy Kilpatrick has been waiting her whole life for disaster to strike. A prepper since childhood, Mercy grew up living off the land — and off the grid — in rural Eagle’s Nest, Oregon. Until a shocking tragedy tore her family apart and forced her to leave home. Now a predator known as the cave man is targeting the survivalists in her hometown, murdering them in their homes, stealing huge numbers of weapons, and creating federal suspicion of a possible domestic terrorism event.

FBI Special Agent Nina Guerrera escaped a serial killer’s trap at 16. Years later, when she’s jumped in a Virginia park, a video of the attack goes viral. Legions of new fans are not the only ones impressed with her fighting skills. The man who abducted her 11 years ago is watching. Determined to reclaim his lost prize, he commits a grisly murder designed to pull her into the investigation...but his games are just beginning. And he’s using the internet to invite the public to play along.