Murder happens in Houston, but when the most recent murders take on disturbing similarities, local law enforcement officers fear a serial killer is roaming their streets. Former sheriff’s department sergeant Jade Monroe has just graduated from the FBI’s serial crimes unit in homicide and is called to Houston with her partner, J.T. Harper, to take on her first assignment—apprehending the person responsible for these gruesome crimes.

Harley, reeling from her being put on leave, from her long-term relationship falling apart, and from her father’s dying, is hardly ready to return to her hometown, to its long-buried secrets, and her tortured past. She spent her life escaping this small town—but, as she settles back in, she wonders: Might she have been wrong all this time? Yet as more bodies surface and as every clue leads to a dead end, Harley, clashing with her new partner, realizes she’s in a race against time.

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.

When the body of a woman is found hanging from a tree in her front garden, rookie Detective Morgan Brookes is first on the scene. But Olivia Potter is past saving. And when her husband and daughters cannot be traced, Morgan knows there is more to this tragedy. And then she finds them. Lying huddled together in the dark basement, each of their faces covered with a small cotton cloth, their bodies cold to the touch. But as Morgan kneels beside the family, she realizes that one of the girls is still breathing.

MMA champ-turned-FBI Special Agent and BAU specialist Dakota Steele is as tough as they come—and as brilliant, too, able to crack serial killers that no one else can.

When 12-year-old Sophie Williams went on a Girl Scout summer camp, she never returned home. Three months later, her body is found inside her sleeping bag in the most frequented area of Cocoa Beach, and the town is outraged. The girl isn't just any child. She's the town's most beloved surf idol, and it was believed that she could be the next Kelly Slater. As another child, the son of a well-known senator, is kidnapped, and the parents receive a disturbing video, FBI profiler Eva Rae Thomas plunges into the investigation.

May Moore, 29, an average Midwestern woman and deputy sheriff, has always lived in the shadow of her older, brilliant FBI agent sister. Yet the sisters are united by the cold case of their missing younger sister—and when an eerily similar serial killer strikes in May’s quiet, Minnesota lakeside town, it is May’s turn to prove herself, to try to outshine her sister and the FBI, and, in this action-packed thriller, to outwit and hunt down a diabolical killer before he strikes again.

Deborah Jenkins pulls her coat around her as she sets out on her short walk home in the pouring rain. But she never makes it home that night. And she is never seen again.

Four years later, an abandoned baby girl is found wrapped in dirty rags on a doorstep. An anonymous phone call urges the police to run a DNA test on the baby. But nobody is prepared for the results. The newborn belongs to Deborah. She’s still alive.

Tara Strong has risen to become her county’s Deputy Sheriff through her bravery and her brilliant capacity to enter killer’s minds. Small-town life in the mountains, centered around their picturesque lake, should be idyllic. But Tara has already seen enough to know that there is a dark side to everything, that small towns hide secrets, that everyone has something in their past—and that a killer may just be lurking right next door.

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.