Imagine investigating a case where each of the several victims had type O blood, drove an obsolete car, and hummed a nursery rhyme before committing murder and then suicide. That's young criminal psychologist Kit Franklyn's assignment and the solution just seems plain impossible. Her obese, jovial boss, chief medical examiner Andy Broussard, is just as baffled as she is. Together they devise strictly scientific possibilities.

It was a hell of a long shot.... CIA assassin Fortune Redding is about to undertake her most difficult mission ever - in Sinful, Louisiana. With a leak at the CIA and a price placed on her head by one of the world's largest arms dealers, Fortune has to go off-grid, but she never expected to be this far out of her element.

Mardi Gras has secrets. Like why would Felix's brother, a well-off and successful doctor, let the midnight train roll over him? Especially just as his new Carnival Krewe prepares for their inaugural parade? Felix has had an easy life, coasting by as the black sheep of a wealthy family. He spends his time under the green canopies of Uptown New Orleans, whiling away his days in leisure and mediocrity.

Still reeling from a personal tragedy, investigative journalist Rooker Lindström finds a grim hideaway from the world. It’s the dilapidated cabin on Minnesota’s Deer Lake bequeathed to him by his late father—one of the most notorious serial killers in the state. If the walls of this murder house could talk, they’d scream. Detective Tess Harlow needs something from Rooker only he can provide: a window into the mind of a murderer. A copycat is on the prowl, following in the footsteps of Rooker’s father.

0n a hot summer day at Bellwhether High School in Sydney, Australia, teacher Bill Pagett lies murdered, the hole in his head accomplished with neat efficiency by a Black & Decker drill. Detective Inspector Carol Ashton investigates, bringing with her a formidable reputation for competence. She soon uncovers tangled relationships and motives for murder among the six teaching staff, along with a maze of malicious anonymous letters and threatening phone calls. And then there is yet another corpse.

Two little girls stand with their heads bowed in my living room. I’m told they’re my granddaughters. Daisy is nine, and Alice seven. Daisy is the spitting image of her mother. This is the first time I’ve met them since my daughter and I fell out after she married that waste of space, Vince. They’ve come to live with me because their mother — my daughter — was murdered. In her own home while they slept close by. I think Vince killed her. But the police can’t prove it. I’ve always known he was no good. He treated my daughter like dirt. I said he’d cheat on her — but she wouldn’t listen.

Lowen Ashleigh is a struggling writer on the brink of financial ruin when she accepts the job offer of a lifetime. Jeremy Crawford, husband of best-selling author Verity Crawford, has hired Lowen to complete the remaining books in a successful series his injured wife is unable to finish. Lowen arrives at the Crawford home, ready to sort through years of Verity's notes and outlines, hoping to find enough material to get her started. What Lowen doesn't expect to uncover in the chaotic office is an unfinished autobiography Verity never intended for anyone to read.

Who is Audrey Hoedemaker? It's a question her sister Maureen has heard more times than she can count, and she doesn't know what the short answer would be. Little sister, troubled teen, backpacker, musical theatre coach, con artist, childcare worker. Murderer. A tragic, traumatic childhood casts a long shadow on the Hoedemaker sisters. Maureen has worked hard to move beyond the violence of the past and build a good, honest life for herself. Audrey, however, just can't seem to do the same, careening from one state of chaos to another.

After the killing of a prominent mob lawyer, NYPD homicide detectives Jacob Jackson and Caitlin Grimes start receive chilling, written “rules” for how to commit the perfect murder. "Rule number one for the perfect murder: Evidence is your enemy. Leave none behind." Jackson (Reid Scott) and Grimes (Cobie Smulders) race to find the killer, setting them on a collision course with the city’s crime underbelly, and a perpetrator who seems happy to toy with them. “Rule number two. No crimes of passion. The perfect murder is always business, never pleasure.”

Kidnappers grabbed Jenna in broad daylight, right in front of her children and their horrified classmates. Her family was issued an insane ransom demand: $25 million in cash and jewels, payable by the end of the school day, otherwise they’ll never see her again. As Jenna’s mother scrambles to gather the money, detectives Mo Butler and George Ortega follow the trail of the kidnappers, which will lead them through a sordid landscape of jealous lovers, broken dreamers, and twisted schemers. But every second counts, and there’s one thing Jenna Wade doesn’t have: very much time.