As a former smokejumper, arson investigator Bri Tucker knows her way around fires. But after a mysterious blaze takes the life of a former colleague, Bri inherits a curious puzzle from him that raises questions about several fiery deaths. Someone, however, doesn’t want her picking up where he left off in search of answers. When she teams up with ATF Special Agent Marc Davis to solve the puzzle, the case heats up—as does the attraction between them.

Alex hasn’t left the safe confines of her home in three years. Instead, she’s thrown herself into her career as an archaeological researcher with a prominent British university where her archaeologist father works. But then, her father disappears under sinister circumstances while working on a case. With his fate in her hands, forced out of hiding, she battles her worst fears and travels to the last place he was seen alive: Tanzania, Africa.

The world whipped around her in a dizzying funnel of lights and shouts, people in uniforms pressing in from all directions. Noelle sat motionless in the street, barely able to breathe. His little body was too still. Too broken.

Private investigator Kenna Banbury lost everything two years ago at the hands of a serial killer. From the ashes of that encounter, she’s built a life she believes in, searching for the lost and forgotten all over the western US. When a series of murders drags her into an FBI investigation, Kenna finds herself back in the place where it all went wrong. Struggling to make sense of the case, Kenna’s past and present collide in a deadly plot that risks another betrayal and threatens to shatter everything she’s built.

High school teacher Tyson Cooper is just dismissing his class when a student flashes his phone. "Another shooting, Mr. C." And this one is too close to home. Tyson races to Pioneer Square...but he's too late. The light of his life has been snuffed out—and so has his faith. Veteran Portland PD Investigator Wayne Deetz, two years shy of retirement, is charged with leading the interrogations. When he meets 19-year-old shooter Rogan Sneed face-to-face, his life is changed eternally.

Barlowe Theater stole the life of Greta Mercy’s eldest brother during its construction. Now in 1915, the completed theater appears every bit as deadly. When Greta’s younger brother goes missing after breaking into the building, Greta engages the assistance of a local police officer to help her unveil the already ghostly secrets of the theater. But when help comes from an unlikely source, Greta decides that to save her family she must uncover the evil that haunts the theater and put its threat to rest.

When the long-awaited reunion between Risa and her brother, Trenton, ends in tragedy, Risa is riddled with guilt, unable to cope with the responsibility she feels over his death. On leave from the FBI, Risa returns to her former career as an English teacher at a local college, only to see her past and present collide when one of her students, Carson Mercury, turns in an assignment that reads like an eyewitness account of her brother’s murder, with details never revealed publicly.

Police Chief Autumn Long is fighting to keep her job when an unexpected wave of violent crime sweeps through her small Alaskan town. Does Grier Carter, a relative newcomer to town, actually have her back? Or is she all alone as the body count rises?

EMT Freya Olson has lost her faith, but not her drive to save those who need her help. When the past that her family left behind after her mother's death shows up in Benson, Freya lands on the target list as well. But things aren't what they seem, and Freya’s loyalty will be pushed to the limit.

Fifteen years after a serial killer tormented them, Addie and Jacob are living very different lives. As an FBI Profiler, Addie is on the edge of burnout. When she returns home, she has to face down every nightmare she's ever had. Is the resurgence of a series of all too familiar deadly crimes the work of a former ally, or a mastermind who has been pulling her strings all along?

Nine-year-old Annie Pederson's life changed the night her sister was kidnapped. The two had been outside playing on a dock, and Annie never forgave herself for her role in her sister's disappearance. Twenty-four years later and now a law enforcement ranger, Annie is still searching for answers as she grieves a new loss: the death of her husband and parents in a boating accident. But Annie and her eight-year-old daughter, Kylie, aren't the only people in the town of Rock Harbor whose lives have been marred by tragedy.

Eighteen-year-old Hale Frodele is presumed braindead from a tragic church bus accident in which he lost his younger brother, Nate. Little does anyone know—Hale hears and understands everything with crystal clarity. Hale remembers when his mom died at age 44 of pancreatic cancer and his dad turned his back on God.

Ex-FBI profiler River Ryland still suffers from PTSD after a case went horribly wrong. Needing a fresh start, she moves to St. Louis to be near her ailing mother and opens a private investigation firm with her friend and former FBI partner, Tony St. Clair. They're soon approached by a grieving mother who wants them to find out what happened to her teenaged son, who disappeared four years ago. River knows there's almost no hope the boy is still alive, but his mother needs closure, and River and Tony need a case, no matter how cold it might be.

EMS helicopter pilot Penny Carlton is used to high stress situations, but being forced to land on a mountain in a raging storm with a critical patient - and a serial killer on the loose - tests her skills and her nerve to the limit. She survives with FBI Special Agent Holt Satterfield's help. But she's not out of the woods yet.

No sooner has Alexis Stone been sworn in as the interim sheriff for Russell County, Tennessee, when a serial killer dubbed the Queen's Gambit Killer strikes again—this time in her hometown. Pearl Springs is just supposed to be a temporary stop along the way to Alex's real dream: becoming the first female police chief of Chattanooga. But the killer's calling card—a white pawn and a note with a chess move printed on it—cannot be ignored.