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?

Rookie firefighter Emily Micah is determined to prove herself as a new recruit to the elite Jude County Hotshots wildfire team. Assigned to the film set of The Drifters, Emily's mission is to protect the cast and crew from the special effects that could ignite the tinder-dry Montana forest and start a wildfire.

Detective James Holton has been honorably discharged from the Army Criminal Investigation Division due to wounds sustained when an IED blew up near him. Now with the Lake City Police Department, he's rooming with his good buddy and partner, Cole, while he figures out his family dynamics. Physician Assistant Lainie Jackson is eighteen months out from an attempted murder perpetrated by her ex, which ended when she managed to grab the weapon and shoot him. When he appears to have survived and is back to finish the job he started, Lainie insists it's not possible.

Haunted by a half-forgotten past, former army photographer Remi Grant is working at an isolated storm-watching lodge on the rocky Washington coast when she receives a mysterious puzzle piece. The puzzle piece may be the catalyst to unlock a disturbing incident she struggles to remember—the event that sent her into hiding. But with heavy storms rolling in, she has to focus on the present, not get caught up in the past.

When country music star Oaken Fox joins survivalist Mike Grizz's new adventure show in the Alaskan wilderness, he just wants to boost his fan base. But when tragedy strikes, and Air One Rescue must save them, Oaken just wants to quit. Too bad his producer has other plans: signing him on with Air One Rescue as a recruit and making a reality show...

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.

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.

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.

Deputy Jenna Hart has only been working in her sleepy hometown of Pearl Springs for seven months when city officials begin to be targeted by a killer. Twenty years ago, the construction of a dam caused people to lose their land to eminent domain. That wound has not healed with time, and someone bearing a grudge is clearly set on revenge. With the former mayor of Pearl Springs now running for the US Senate, Jenna will have to call in backup to ensure his protection. That's where Agent Maxwell Anderson comes in.

Former Marine Callum Shaw always knew he would someday join his family’s construction business in Gossamer Falls. He longs for a family of his own but has almost given up on that ever happening. The beautiful artist who has hired him to build her new house is funny, gifted, and everything Cal could ever want in a partner, but he vows to keep his distance. He’s loved—and lost—someone like her before.

Airport Ranger volunteer Stacy Broussard expected a peaceful Saturday morning ride around the perimeter of Houston's airport. What she encounters instead is a brutal homicide and a baffling mystery. Next to the body is an injured dog, the dead man's motorcycle, and a drone armed with a laser capable of taking down a 747. Though FBI Special Agent Alex LeBlanc sees a clear-cut case of terrorism, his past has taught him to be suspicious of everyone, even witnesses. Even bleeding-heart veterinarians like Stacy.

K-9 officer Tarren McGregor never imagined that a cartel would find its way to Texas’s South Padre Island—or target his best friend’s sister. But when Julia Hamilton witnesses and prevents the kidnapping of a teen girl, Tarren knows that trouble is soon to follow. Because Julia didn’t just protect the girl—she saw the abductor’s face. Now she’s marked for murder, and it’s up to Tarren and his K-9 partner to keep Julia safe from the human traffickers in pursuit…even if it means putting themselves in the line of fire.

DEA Agent Doug Bridges is angry to realize his stepsister has been kidnapped after her night shift at the hospital. He goes into full agent mode to investigate, but soon runs into dead ends. Winter in northern Wyoming is no joke and he needs help, fast. When he’s referred to the Sullivan K-9 Search and Rescue team, he convinces Maya Sullivan and her Siberian Husky Zion to help him find Emily.

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.

Former FBI Special Agent Jack Tanner is working as a detective in Montana when he comes across a body in the national forest during a search and rescue mission. He's committed to finding the killer, even if it means working alongside his old flame, US Forest Service Special Agent Terra Connors. When Terra discovers that the murder victim had ties to a powerful and dangerous trafficker of archaeological artifacts, the investigation takes a deadly turn - one that hits too close to home.