Deep in the Florida Everglades, the body of a woman is discovered in pieces, presumably ravaged by an alligator. Upon closer inspection, it’s determined no animal could make such perfectly precise cuts. Only a blade could do that. Wielded by a human. Soon, dozens of oil drums emerge amid the river of grass. Each one packed to the brim with body parts.

A ritualistic murder on the side of a remote road brings in the Florida state police. Special Agent Amy Larson has never seen worse, and there are indications that this killing could be just the beginning. The crime draws the attention of the FBI in the form of Special Agent Hunter Forrest, a man with insider knowledge of how violent cults operate, and a man who might never be able to escape his own past.

Four bodies have been discovered along Europe’s riverbanks, placed with care—and completely drained of blood. Pinpricks on their throats indicate a slender murder weapon, but DNA found in the wounds suggests something far more sinister. Tasked with investigating, the FBI recruits Agents Della Hamilton and Mason Carter to Blackbird, an international offshoot of the Krewe of Hunters. If you want to catch a vampire killer, you need agents who can speak with the dead.

Leo has two priorities: putting down new roots and making up for his mistakes. He doesn't have time for a blind date with his new neighbor. Until he finds out she's the woman he let slip away… but never forgot. Cassie has finally paid her debts and is living the life she's always wanted. Her new neighbor sounds like he could be Mr. Right. Only, he turns out to be the man who promised her the world, then disappeared without a trace. In another time and another place, he was a playboy who made her believe in miracles. Now, he's a danger to everything she's worked hard for.

When Special Agent Jeanette LaFarge is called in to investigate a vineyard in the Reims region of France, the last thing she expects to find is multiple bodies with every vein bled dry. It’s yet another case tailor-made for Blackbird. Joining her is recent recruit Detective Daniel Murray, eager to use his newfound abilities to track down whoever is terrorizing Paris and its surrounding areas. With each ashen victim grows the realization that those responsible weren’t inspired by vampiric creatures of the night but by Elizabeth Báthory herself.

Scotland has a dead body problem. Another one. And in the wake of a similar spate of tribute killings, Special Agents Luke Kendrick and Carly MacDonald know they have their work cut out for them. Working alongside a new team of agents, the partners have more questions than answers when the crime scenes yield little evidence. In the style of infamous killers Burke and Hare, it appears victims are being moved to a secondary location, where they’re dissected and sold for spare parts.

Seven months ago, Pallas Llewellyn, Talia March, and Amelia Rivers were strangers, until their fateful stay at the Lucent Springs Hotel. An earthquake and a fire partially destroyed the hotel, but the women have no memory of their time there. Now close friends, the three women co-host a podcast called the Lost Night Files, where they investigate cold cases and hope to connect with others who may have had a similar experience to theirs—an experience that has somehow enhanced the psychic abilities already present in each woman.

A secret government unit is formed under the oversight of Adam Harrison, famed paranormal investigator. The case: In a historic mansion in New Orleans’ French Quarter, a senator’s wife falls to her death from a balcony. Most think she jumped, distraught over the loss of her young son. Some say she was pushed. And yet others believe she was beckoned by the ghostly spirits that inhabit the house - once the site of a serial killer’s grisly work.

On a weekend vacation, Beth Anderson is unnerved when a stroll on the beach reveals what appears to be a skull. When a stranger approaches, Beth panics and covers the evidence. But when she later returns to the beach, the skull is gone. Beth digs deeper into the mystery of the skull, and everywhere she goes, Keith Henson, the stranger from the beach, seems to appear. A body washes ashore, and Beth begins to think she needs more help than she bargained for.

Life is tough these days for Lydia Smith, licensed para-archaeologist. Seriously stressed-out from a nasty incident in an alien tomb, she is obliged to work in Shrimpton's House of Ancient Horrors, a very low-budget museum. She has a plan to get her career back on track, but it isn't going well. Stuff keeps happening.

Eve St. Clair desperately needs help sorting reality from her fearful imaginings when ghostly voices seem to haunt the Victorian house in Sunderland, England, that she inherited from her uncle. Online research leads to a group that claims to offer just the aid she’s seeking. But can Ransom King’s handpicked team of investigators truly banish Eve’s night terrors?

When a local girl falls prey to a sadistic serial killer, Nashville homicide lieutenant Taylor Jackson and her lover, FBI profiler Dr. John Baldwin, find themselves in a joint investigation pursuing a vicious murderer. The Southern Strangler is slaughtering his way through the Southeast, leaving a gruesome memento at each crime scene – the prior victim’s severed hand.

When forensic anthropologist Zoe Miller stumbles across a murder victim in the blisteringly hostile Sonoran Desert, she triggers a chain of events that puts her in the crosshairs of a ruthless killer....

Detective Kara Quinn, on leave from the LAPD, is on an early morning jog in her hometown of Liberty Lake when she comes upon the body of a young nurse. The manner of death shows a pattern of highly controlled rage. Meanwhile in DC, FBI Special Agent Mathias Costa is staffing his newly minted Mobile Response Team. Word reaches Matt that the Liberty Lake murder fits the profile of the compulsive Triple Killer. It will be the first case for the MRT. This time, they have a chance to stop this zealous, if elusive, killer before he strikes again.

Newly promoted detective Kate Morgan stands up for the victims in the world, never backing down or giving up. From a family of victims, Kate will not tolerate those who take advantage of others. The worst ones prey on the hopes of desperate people to line their own pockets. And, when Kate finds a connection between more than a half-dozen cold cases to a recent case - where a child's life is in jeopardy - she'll make a deal with the devil himself to protect the child.