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.

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.

When Detective Madison Harper arrives at a remote summer camp in Shadow Falls, Northern California, her heart breaks for Jenny, the sweet little girl last seen splashing in the lake with her friends before she vanished. Peering into the silent cabins filled with rows of neatly made beds, Madison knows this idyllic place is hiding a terrible secret.

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.

A notorious stretch of highway is rife with serial killers, unsolved murders and missing-persons cases. The FBI, knowing it must crack this Bermuda Triangle of death, assigns its most brilliant mind—and flawed agent—Rylie Wolf, to dive headfirst into this road of danger. Rylie must tap her brilliant instincts to decode these cases and enter the twisted mind of killers—while battling demons from her own dark past.

FBI Special Agent Katie Winter is no stranger to frigid winters, isolation, and dangerous cases. With her sterling record of hunting down serial killers, she is a fast-rising star in the BAU, and when a woman is discovered in the middle of a frozen lake, Katie is the natural choice to partner with Canadian law enforcement to track the killer across the brutal and unforgiving landscape.

It was Beth Katz’s serial killer father who made her like she is: a successful FBI agent and an unstoppable vigilante dedicated to hunting down murderers who have evaded capture. Beth will push herself to the limits to deliver justice. Even if it means killing those who deserve to die.

When secretary Annie Parkes is snatched from the street outside of her workplace, David Kane is tasked with finding her. Strong, highly skilled, and secretive, he’s a loner and an outsider; the only man the military trust to find Annie before her kidnappers make good on their promise to kill her. But as Kane pulls Annie from a derelict building, gunshots ringing through the deserted streets around them, he realizes rescuing her is just the beginning. He needs to keep her close to find out who is behind her capture, and to keep her safe.

A sister’s worst nightmare. A homicide detective’s destiny. Everybody loves Claire’s little sister, Tina. But only Claire sees the twisted psychopath hiding behind her sister’s angelic face. When Tina is brutally murdered on her 14th birthday and while in Claire’s charge, Claire never forgives herself. And neither does their mother. Twelve years later, more girls turn up dead in Newburgh exactly like Tina. Claire, now a police detective, suspects that her sister’s murderer is still on the prowl.

After a series of tragedies turned her world upside down, FBI Agent Spenser Song felt like a woman adrift in a sea of chaos. Her brush with death and the tragic murder of her husband left her questioning everything in her life. And when it became clear that Bureau politics will trump justice, Spenser realized she needed a fresh start.

Blake Wilder is plagued with nightmares from her dark and twisted past. Fourteen years ago, her entire family was taken from her. Her parents murdered and her sister taken. At the age of 22, Blake joined the FBI in hopes of one day discovering the truth behind the mysteries of her own past.

It’s been five years since Detective Amanda Steele’s life was derailed by the tragic death of her young daughter. The small community of Dumfries, Virginia, may have moved on, but Amanda cannot. When the man who killed Lindsey is found murdered, she can’t keep away from the case.

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.

Suburban New Jersey Detective Napoleon “Nap” Dumas hasn't been the same since senior year of high school, when his twin brother Leo and Leo’s girlfriend Diana were found dead on the railroad tracks - and Maura, the girl Nap considered the love of his life, broke up with him and disappeared without explanation. For fifteen years, Nap has been searching, both for Maura and for the real reason behind his brother's death. And now, it looks as though he may finally find what he's been looking for.

Former special ops pilot Maya, home from the war, sees an unthinkable image captured by her nanny cam while she is at work: her two-year-old daughter playing with Maya's husband, Joe - who had been brutally murdered two weeks earlier. The provocative question at the heart of the mystery: Can you believe everything you see with your own eyes, even when you desperately want to?