After a harrowing attempt on a judge's life at the courthouse, Deputy US Marshals Madison James and Jonas Quinn are tasked with finding a missing woman and an endangered child in connection to the murder of the judge's wife. What seems like a straightforward case becomes hopelessly tangled when the marshals discover that the woman they are searching for is in witness protection and the Amber Alert put out for the missing child has put two lives in danger. Madison and Jonas are forced into a race to find the woman and the child before the men who want her dead discover her location.

US Marshals Madison James and Jonas Quinn are thrust into a high-profile case when they are called on to transport two prisoners across the country on a private plane. But when the plane experiences engine trouble en route from the Pacific Northwest to Colorado, the pilots crash-land the aircraft deep in the heart of the sprawling Salmon-Challis National Forest. When Madison and Jonas regain consciousness, they find both pilots and one prisoner dead - and one fugitive on the run.

Research scientist Caitlyn Lindsey is convinced that someone is taking out her team one by one. First, a friend and research partner was killed in a home invasion. Three months ago, her boss died in a suspicious car accident. Four days ago, another partner supposedly committed suicide. And now Caitlyn herself has miraculously survived a hit-and-run. Afraid for her life with nowhere to turn, she reaches out to one of the victim's husbands, Detective Josh Solomon.

Detective Nate Quinn has just been cleared for active duty after a bombing killed 18 people, including his partner, and left him dealing with PTSD. His first case back on the job involves the murder of Stephen Shaw, and his only lead turns out to be an old friend, Grace Callahan - and her life is in grave danger. Someone believes Shaw gave his psychologist information before he died. Information for which they are willing to kill.

When FBI agent Jack Shannon arrives in Corpus Christi, Texas, he is focused on one thing: finding the man who has been selling encrypted government secrets to the Chinese through online birding chat rooms. But when a senator is shot during a hunting trip and the woman he was with is abducted, Jack agrees to join the search - especially when he discovers that the kidnapping victim is Aubrey Grayson, a woman he was once in love with. As the search continues, it becomes clear the senator may not have been the intended victim....

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.

Luke has teamed up with Faith before, but he's not convinced she's up for the job, and she's not convinced he's telling her everything he knows. As more agents are targeted, Luke and Faith will have to learn to trust each other and work together to bring a killer to justice and prevent any more names from joining their fallen brothers and sisters on the Secret Service Wall of Honor.

When Mia Blackburn returns to Shadow Lake to inherit her uncle’s property, she doesn’t expect a threatening warning before she even reaches the rustic resort. And when a fire traps her in the burning barn that very day, she fears she won’t get out alive. Just in time, Ryan Maddox, her ex-boyfriend and Shadow Lake Survival owner, rescues her from the deadly blaze. She’s thankful for his rescue, but after their tumultuous breakup, he’s the last person she wants to see.

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.

Radio-talk-show host Eve Reilly is used to backlash from her pot-stirring on-air commentary and interviews. But now it seems a disgruntled listener is resorting to more than angry words to express their displeasure. When a suspicious package arrives on her doorstep, Eve turns to law enforcement for help. Police Detective Brent Lange can't find any evidence to link the string of unsettling incidents that follows, but he's convinced they're connected. As the harassment grows more menacing, it becomes clear someone wants Eves voice silenced - permanently.

Elite Guardians bodyguard/former sniper Christina Sherman has protected uncooperative clients before—but this time, well, her client is bossy, headstrong, and occasionally eats off the floor. Yes, he’s a highly trained military working dog, but certainly her skills could be put to better use, right? Not according to former Special Forces Air Commando Grey Parker. He needs her help to protect his dog while he undergoes an experimental surgery that could restore his ability to walk.

Detective Londyn Steele is thrown into the deep end when she’s assigned to find an abducted socialite. Problem is, her family’s company, Steele Guardians, was supposed to protect the family matriarch at her 80th birthday party when she disappeared, and Londyn fears her investigation will expose problems in her family’s company and bring them down. Especially when County Detective Nate Ryder declares jurisdiction over the scene and Londyn must take a back seat in one of the most important cases she’s ever investigated.

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.

The Natchez Trace National Parkway stretches 444 miles from Nashville to Natchez, the oldest town on the Mississippi River. It's the perfect road for a relaxed pleasure drive. Unfortunately for park ranger Luke Fereday, lately it's being used to move drugs. Sent to Natchez to infiltrate the organization at the center of the drug ring, Luke arrives too late to a stakeout and discovers the body of his friend, park ranger John Danvers.

When one Coast Guard officer is found dead and another goes missing, Coast Guard Investigative Service special agent Finn Walker faces his most dangerous crime yet. His only clues are what little evidence remains aboard the dead officer's boat, and the direction the clues point to will test Finn and the Guard to their limits. When investigative reporter - and Finn's boss's sister - Gabby Rowley arrives, her unrelenting questions complicate an already volatile situation. Now that she's back, the tug on Finn's heart is strong.

Detective Nate Quinn has just been cleared for active duty after a bombing killed 18 people, including his partner, and left him dealing with PTSD. His first case back on the job involves the murder of Stephen Shaw, and his only lead turns out to be an old friend, Grace Callahan - and her life is in grave danger. Someone believes Shaw gave his psychologist information before he died. Information for which they are willing to kill.

As a forensic genealogist, Willow Anderson is following in her late grandfather's footsteps in her quest for answers about a baby abducted from the hospital more than 20 years ago. The case may be cold, but things are about to heat up when someone makes an attempt on her life to keep her from discovering the truth. Ex-FBI agent - and Willow's ex-flame - Austin McKade readily offers his help to protect the woman he never should have let get away.

US Marshals Madison James and Jonas Quinn are thrust into a high-profile case when they are called on to transport two prisoners across the country on a private plane. But when the plane experiences engine trouble en route from the Pacific Northwest to Colorado, the pilots crash-land the aircraft deep in the heart of the sprawling Salmon-Challis National Forest. When Madison and Jonas regain consciousness, they find both pilots and one prisoner dead - and one fugitive on the run.

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.

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.

In the biggest case of her career, attorney Kate Sullivan is tapped as lead counsel to take on Mason Pharmaceutical because of a corporate cover-up related to its newest drug. After a whistleblower dies, Kate knows the stakes are much higher than her other lawsuits. Former Army Ranger turned private investigator Landon James is still haunted by mistakes made while serving overseas. He is hired by Kate to look into the whistleblower's allegation and soon suspects that the company may be engaging in a dangerous game for profit.

When cybercriminals hack into the US Marshals' Witness Protection database and auction off witnesses' personal details to the highest bidders, the RED Team led by FBI Agent Sean Nichols begins a high-stakes chase to find the hacker. But before he can even get started, the first witness is targeted and barely escapes with her life. Sean believes Phantom, an obsessed hacker who previously outwitted the top minds in the field, is behind the attack, and Sean needs this witness's help, as she's the person who has come closest to discovering Phantom's identity.

Summer Abernathy wakes up one morning to find her husband missing, three men in her home intent on finding him, and the life she's been living based on a lie. Which Kyle Abernathy did she marry? The computer programmer she met in line at the bank? Or the one who was apparently using that image as a cover story? The search for her husband - and answers - takes Summer ever deeper into a world of organized crime, where people are used one moment and discarded the next.

Just another Friday night. Or is it? Homeland Security Agent Dakota Pierce is in the Washington backwoods to sniff out domestic terrorism. DEA rookie Josh Weber and his dog show up to uncover a mystery of their own. When a young woman’s body is discovered, everything points to a local militia. The Northwest Counter-Terrorism Taskforce is on the case.

Every parent's nightmare comes true for Debra Patterson, whose children disappear from the entrance to a Houston mall when she dashes into the pouring rain to get their car. When Debra learns that her husband is also missing, apparently having taken the children with him, she feels her whole world is collapsing. Suddenly out from under her husband's iron fist, but very much alone, she must find new strength...and the path that will bring her children back to her arms.

In the little town of Walton, Georgia, everybody knows your name - but no one knows your secret. At least that's what Lane Kent is counting on when she returns to her hometown with her five-year-old son. Dangerously depressed after the death of her husband, Lane is looking for hope. What she finds instead is a dead body. Lane must work with Walton's newest deputy, Charlie Lynch, to uncover the truth behind the murder. But when that truth hits too close to home, she'll have to decide if saving the life of another is worth the cost of revealing her darkest secret.

This collection includes Survival, Hunted, and Frequency. Survival: When one of the men in charge of storing food for the town of Shadow Ridge is found murdered execution style, it's up to Jace McQuaid to find the killer. Hunted: Levi McQuaid searches for the sister of an old friend, Ava Solomon, but the situation takes a deadly turn when the search leads them on a dangerous trek across the west Texas desert. Frequency: Four deaths, likely tied to arsenic-tainted water, leave the town of Shadow Ridge frantic for answers. But that isn't the only nightmare Tess McQuaid is facing.

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?

When one Coast Guard officer is found dead and another goes missing, Coast Guard Investigative Service special agent Finn Walker faces his most dangerous crime yet. His only clues are what little evidence remains aboard the dead officer's boat, and the direction the clues point to will test Finn and the Guard to their limits. When investigative reporter - and Finn's boss's sister - Gabby Rowley arrives, her unrelenting questions complicate an already volatile situation. Now that she's back, the tug on Finn's heart is strong.

When missing teens begin turning up dead in a small Southern town, the FBI sends in Special Agent Samantha Cash to help crack the case. Her methods are invisible, and she never quits until the case is closed.