Mike and Callie Simpkins moved north to restart their lives and get their finances back on track. Their son Braxton immerses himself in an online game-world of crime and gangs. When he decides to meet some of the players in the real world, tragedy strikes. Detective John Swift must untangle a web of virtual and real crimes in order to solve this complex mystery. And as the family copes with unimaginable grief, even Braxton’s stepfather, Mike, comes under suspicion.

Kelly Roth, FBI profiler, returns home to Syracuse to stop a sadistic serial killer. Three murders in three separate jurisdictions in central New York State have the same pattern: women killed by fatal headshots from a hunting rifle. Kelly Roth is sent from Virginia to help the local police. Each victim was found murdered in a remote area or in a quiet park. The media call him “The Park Killer.” But Kelly doesn’t think the killer lurks in the bushes. She thinks he hunts his victims somewhere else.

Two beautiful young women are found strangled, their bodies meticulously washed and groomed. The only thing they have in common: Both worked as reporters for local TV stations. A coincidence? Or something more sinister? Rookie Special Agent Shannon Ames is assigned to the case and soon impresses with her brilliant intuition and startling ability to think outside the box. But as Shannon takes a more prominent role in the investigation, she finds herself drawn into a deadly dance with a master of deception.

A young girl, Kasey, is murdered in the woods of northern New York, a strange symbol carved into her stomach. Investigator Reed Raleigh, Major Crimes, is tasked with finding the killer. Reed has his own troubles, but he desperately needs to solve this case—his own stepdaughter vanished when she was a teenager, and Reed knows all about the agony of having no closure. There's no way he's letting Kasey’s mother go through that. But as Reed begins to dig, the case grows ever more complex. Why is Kasey’s boyfriend acting so strangely? And why is her mother lying to the police?

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.

Lane McCord wakes up in a hospital having survived a near-fatal fall at a North Carolina beach cottage. Her boyfriend, Kyle, wasn’t so lucky. A senseless tragedy on their first romantic getaway. All Lane remembers is lying at the bottom of the stairs in Kyle’s pooling blood. Confused and grieving, Lane plans to return to the cottage, collect her personal belongings, and get out. Until a winter rainstorm leaves her stranded and vulnerable, but not alone. A concerned neighbor, who claims he heard a violent argument before the accident, has come out of the storm.

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.

Tracy Crosswhite has spent 20 years questioning the facts surrounding her sister Sarah’s disappearance and the murder trial that followed. She doesn’t believe that Edmund House - a convicted rapist and the man condemned for Sarah’s murder - is the guilty party. Motivated by the opportunity to obtain real justice, Tracy became a homicide detective with the Seattle PD and dedicated her life to tracking down killers.

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.

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.

Keera Duggan was building a solid reputation as a Seattle prosecutor, until her romantic relationship with a senior colleague ended badly. For the competitive former chess prodigy, returning to her family’s failing criminal defense law firm to work for her father is the best shot she has. With the right moves, she hopes to restore the family’s reputation, her relationship with her father, and her career.

When a man is shot in the head, Bree Taggert and her new partner, veteran detective Dana Romano, respond to the call. They break the news to the victim’s ex-wife and learn the estranged couple’s five-year-old daughter was supposed to have been with him. What starts as a murder investigation quickly morphs into a desperate search for a missing child. The case stirs memories of Bree’s own traumatizing childhood. To find the little girl, Bree will have to relive her own terrifying past.

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.

Lieutenant Abby Mullen is no stranger to crisis. As the hostage negotiation instructor for the NYPD, she deals with worst-case scenarios every day. Nothing fazes her anymore. That all changes when she gets a call from Eden Fletcher, a fellow survivor of the infamous Wilcox cult. The two haven’t spoken since the night of a tragic, fiery massacre, when their paths diverged. But now Eden needs Abby’s help: someone has kidnapped her son and is demanding a $5 million ransom. As Abby throws herself into the case, she can’t help but wonder why the kidnapper has targeted Eden.

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.