The sight of a goose feather at a murder scene modeled after a children’s poem is enough to make FBI special agent Fiona Kelly's blood turn to ice. Almost two decades ago, a feather was left with her sister's body—and with every subsequent victim of the Nursery Rhyme Killer. Now he's back. Only this time, his latest gruesome murder is a message to the only one who ever got away: Fiona.

Grappling with the aftermath of a tragic incident that altered her life, ex-police officer and bestselling mystery author Erin Delaney finds solace in the tranquility of a cabin nestled deep in the Smoky Mountains. But her newfound peace is shattered when cries pierce the night, hinting at a haunting presence lurking in the woods. When local police chief Adrian Nightengale seeks her help with a baffling murder case, she is thrust back into the world of crime solving. As they delve into the investigation, Erin's intuition reveals chilling truths about the killer's motives and methods.

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.

US Marshal John Mason gains full custody of his son and is transferred to Sanctuary, a witness protection town that isn't on any map. When the town's first-ever murder occurs, John's plans to reconnect with his boy are derailed by the investigation. Andra Caleri gave up her old life a long time ago, but someone wants her out of Sanctuary--to pay. As accusations fly and John uncovers a conspiracy that stretches all the way to Washington, Andra's past comes back in a true test of the mercy she received. Can John give up what he wants the most to bring the truth to light?

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.

Former Special Forces Operative Bradyn Hunt may have traded a battlefield for his family ranch in Texas, but that doesn’t mean he stopped fighting. As the founder of Hunt Brother's Search and Rescue, he and his team take on missing persons cases that no one else can solve. They’ve retrieved people from the very depths of hell-on-earth, which has left him with his fair share of scars.

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...

When Harper Crane is nearly abducted outside the law office where she works as an administrative assistant, she’s grateful two police officers are there to rescue her. At seven months pregnant she has no idea why someone is coming after her, especially since her criminal ex-husband is dead. She wants nothing more than to return to her boring life, but the attacks against her escalate, giving her little choice but to accept Steele’s protection.

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.

After Marielle Coleman’s foster son witnesses his mother’s murder, he becomes a killer’s next target. Escaping into a raging Montana snowstorm, Marielle and her little boy hide at a remote camp—and unexpectedly reunite with her ex-fiancé, Graham Flynn, an undercover DEA agent. Now Graham and Marielle must put aside their distrust to save the child from dangerous pursuers. But Graham’s still hiding secrets from Marielle…ones that could tie them all to a conspiracy that will end their lives.

Racing into a burning cabin to search for survivors, firefighter Diana Cameron stumbles upon an unconscious child—and two bodies with bullet wounds. When a sniper targets their narrow escape, Diana has no choice but to team up with bodyguard Chase Mitchell to keep the little girl safe. Uncovering the identity of the murder victims is the only way to find the killer. But as they’re chased by gunmen into the mountain wilderness, can they protect a tiny witness from the unknown…when the truth is more sinister than they imagined?

Air Marshal Kristine Duncan is not on duty when a hijacker attempts to seize control of the plane she and her friends are on as they head out on a much-needed vacation. Jumping into action and aided by FBI Special Agent Andrew Ross, Kristine thwarts the attack and the plane lands safely. But as the investigation into the incident gets underway, Kristine and Andrew are confused at every step. Nothing about the investigation goes as it should, and each layer they peel back just reveals another layer of perplexity.

When patrol officer Trisha McCord's six-month-old son is nearly abducted, K-9 officer West Cole saves him just in time. The single mom has no leads on who would try to take her baby—or why. And West won’t let her deal with the threat on her own, especially with the kidnapper closing in and attacks escalating. With her child’s life at stake, Trisha, West and his K-9, Peanut, must race to catch a ruthless criminal in time to save innocent lives—including their own.

When Maddie Waters joins her fiancé, Josh Harding, in Hawaii for his company's luxurious weeklong corporate retreat, Josh wants her to help him secure the prestigious role of CEO for the high-tech firm. However, someone with a dark secret has other plans, and everything changes when a series of deaths and near-fatal "accidents" plague the event.

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.