When Agent Mercedes Ramirez finds an abused young boy on her porch, covered in blood and clutching a teddy bear, she has no idea that this is just the beginning. He tells her a chilling tale: an angel killed his parents and then brought him here so Mercedes could keep him safe. His parents weren’t just murdered. It was a slaughter - a rage kill like no one on the Crimes Against Children team had seen before. But they’re going to see it again. An avenging angel is meting out savage justice, and she’s far from through.

Near an isolated mansion lies a beautiful garden. In this garden grow luscious flowers, shady trees...and a collection of precious “butterflies” - young women who have been kidnapped and intricately tattooed to resemble their namesakes. Overseeing it all is the Gardener, a brutal, twisted man obsessed with capturing and preserving his lovely specimens.

Florida journalism undergrad Rebecca Sorley is like any other college student. She tries to keep up with her studies, her friends, and her hot-tempered roommate, Ellie, who regularly courts trouble with the law. When a male student's remains are found in alligator-infested waters, the university warns students to stay away from the reptiles. But then a second body shows up, and the link is undeniable. Both men belonged to the same fraternity and had a reputation for preying on and hurting women.

Eight-year-old Brooklyn Mercer has gone missing. And as accustomed as FBI agents Eliza Sterling and Brandon Eddison are to such harrowing cases, this one has struck a nerve. It marks the anniversary of the disappearance of Eddison’s own little sister. Disturbing, too, is the girl’s resemblance to Eliza - so uncanny they could be mother and daughter. With Eddison’s unsettled past rising again with rage and pain, Eliza is determined to solve this case at any cost. But the closer she looks, the more reluctant she is to divulge to her increasingly shaken partner what she finds.

Escaping from a madman should have been the end of her nightmare. Instead it was only the beginning...Lizzy Gardner was just seventeen when she was kidnapped by the psychopath known as Spiderman, a serial killer terrorizing her California hometown. Imprisoned and tormented for months, Lizzy narrowly escaped with her life and Spiderman vanished without a trace. But if she thought he would forget her, she was dead wrong.

Gina Royal is the definition of average - a shy Midwestern housewife with a happy marriage and two adorable children. But when a car accident reveals her husband’s secret life as a serial killer, she must remake herself as Gwen Proctor - the ultimate warrior mom. With her ex now in prison, Gwen has finally found refuge in a new home on remote Stillhouse Lake.

When Detective Rebecca North left her rural hometown, she vowed never to return. Her father’s apparent suicide has changed that. The official report is that retired cop Noah North shot himself, knocked over a lantern, and set his isolated cabin ablaze. But Rebecca cannot believe he killed himself. To prove it, she needs the help of Ash Haugen, the man she left behind. But Rebecca and Ash share more than broken hearts. Something darker lies between them, and the investigation is stirring it back to life.

They say every house has its secrets, and the house that Maggie and Nina have shared for so long is no different. Except that these secrets are not buried in the past. Every other night, Maggie and Nina have dinner together. When they are finished, Nina helps Maggie back to her room in the attic, and into the heavy chain that keeps her there. Because Maggie has done things to Nina that can’t ever be forgiven, and now she is paying the price.

When she was 16 years old, Angela Wong - one of the most popular girls in school - disappeared without a trace. Nobody ever suspected that her best friend, Georgina Shaw, now an executive and rising star at her Seattle pharmaceutical company, was involved in any way. Certainly not Kaiser Brody, who was close with both girls back in high school. But 14 years later, Angela Wong's remains are discovered in the woods near Geo's childhood home.

Two Truths and a Lie. The girls played it all the time in their cabin at Camp Nightingale. Vivian, Natalie, Allison, and first-time camper Emma Davis, the youngest of the group. But the games ended the night Emma sleepily watched the others sneak out of the cabin into the darkness. The last she - or anyone - saw of them was Vivian closing the cabin door behind her, hushing Emma with a finger pressed to her lips. Now a rising star in the NYC art scene, Emma's paintings catch the attention of Francesca Harris-White, the socialite and wealthy owner of the very same Camp Nightingale.

Months after discovering the mastermind behind her own kidnapping, Detective Jude Fontaine is dealing with the past the only way she knows how: by returning to every dark corner of it. But it’s a new, escalating series of mass slayings that has become her latest obsession at Homicide. At first, Jude and her partner, Detective Uriah Ashby, can see no pattern to the seemingly random methods, the crime scenes, or the victims - until they’re approached by a brilliantly compulsive math professor.

Called in to consult after a young woman disappears, Tracy Crosswhite has the uneasy feeling that this is no ordinary missing-persons case. When the body turns up in an abandoned well, Tracy’s suspicions are confirmed. Estranged from her family, the victim had balked at an arranged marriage and had planned to attend graduate school. But someone cut her dreams short. Solving the mystery behind the murder isn’t Tracy’s only challenge. The detective is keeping a secret of her own: she’s pregnant.

What do the queen bee, star athlete, valedictorian, stoner, loner, and music geek all have in common? They were all invited to a scholarship dinner, only to discover it’s a trap. Someone has locked them into a room with a bomb, a syringe filled with poison, and a note saying they have an hour to pick someone to kill...or else everyone dies.

When a demolition crew uncovers several bodies inside the walls of a house where serial killer Frank J. Remy once lived, the discovery sends shock waves through the Savannah Police Department. All of the bodies were hidden before Remy's imprisonment and subsequent death thirty-six years earlier - except for one belonging to a missing child. Homicide partners Elise Sandburg and David Gould were the Savannah PD's dream team, solving uncrackable crimes and catching killers.

You knew a teenager like Charlie Crabtree. A dark imagination, a sinister smile - always on the outside of the group. Some part of you suspected he might be capable of doing something awful. Twenty-five years ago, Crabtree did just that, committing a murder so shocking that it's attracted that strange kind of infamy that only exists on the darkest corners of the internet - and inspired more than one copycat.