Fifteen years ago, Shelby Pearce confessed to murdering her brother-in-law and was sent to prison. Now she’s out on parole and looking for a fresh start in the small town of Valleysburg, Texas. But starting over won’t be easy for an ex-con. FBI Special Agent Denton McClure was a rookie fresh out of Quantico when he was first assigned the Pearce case. He’s always believed Shelby embezzled $500,000 from her brother-in-law’s account. So he’s going undercover to befriend Shelby, track down the missing money, and finally crack this case.

Heather Lawrence’s long-awaited vacation to Salzburg wasn’t supposed to go like this. Mere hours into the transatlantic flight, the Houston FBI agent is awakened when passengers begin exhibiting horrific symptoms of an unknown infection. As the virus quickly spreads and dozens of passengers fall ill, Heather fears she’s witnessing an epidemic similar to ones her estranged husband studies for a living - but this airborne contagion may have been deliberately released. 

There's a killer on the loose in Galveston, targeting law enforcement officials and using a fatal injection of snake venom to take them down. Authorities have reasons to believe the Veneno gang is behind the hits, and FBI agents Leah Riesel and Jon Colbert team up to track down those responsible. Their best lead is an eyewitness who identifies a young man dumping the third body on a church doorstep. But their suspect has gone into hiding, and those closest to him are reluctant to reveal anything that might help investigators find him. 

After a whirlwind romance, Taryn Young is preparing to board a plane at Houston International Airport, bound for a dream honeymoon, when a bomb decimates the terminal. Injured but still alive, she awakens to discover her husband is missing, and they're both considered prime suspects in the attack. Further, the FBI is convinced her husband isn't who he appears to be. Agent Grayson Hall's number-one priority is to catch those responsible for the day's act of terror.

Reeling from a negotiation gone wrong, FBI Special Agent April Ramos is caught off guard when a frazzled young woman shoves a crying baby into her arms, then disappears. Worry for the child's safety quickly turns to fear when a man claiming to be the girl's father abducts them at gunpoint. April puts her hostage negotiation skills to use to learn more about who she's dealing with: Jason Snyder, a fugitive accused of murder. As Jason spins a tall tale about being framed for the killing of his business partner, April must sort through his claims to find the truth.  

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.

Special Agent Meghan Connors's dream of one day protecting the president of the United States is about to come true. Only one assignment stands in her way. After the vice president's rebellious daughter is threatened, Meghan is assigned to her protective detail on a secluded ranch in West Texas. Unfortunately, working with Special Agent in Charge Ash Zinders may be as tough as controlling her charge. Ash has a reputation for being critical and exacting, and he's also after the same promotion as Meghan. Then the threats escalate and security on the ranch is breached....

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.

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. 

Even though Torie Bergstrom hasn’t been back to Georgia since she was 10, she’s happy to arrange a job for her best friend at one of the family properties on Jekyll Island. But when Torie learns that her best friend has drowned, she knows it is more than a tragic accident: Lisbeth was terrified of water and wouldn’t have gone swimming by choice.

She faces dangerous situations all the time.... Olympic downhill skier, Harper Young, knows what it’s like to look danger in the face. After all, she does it every time she races down a ski slope. She’s fine with that danger and even excels under the pressure, winning Olympic gold. And as a governor’s daughter, she’s familiar with receiving threats from the general public. But when a stalker turns his sights on Harper, she possesses zero skills to protect herself.

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.

CIA analyst Brynn Taylor developed a new program to combat terrorism, and she invited members of foreign intelligence agencies to America to foster cooperation between countries. Now one of them, Egyptian spy Remon Riad, is missing. Jack Hudson has been working for the Strategic Neutralization and Protection Agency for almost nine years and takes the lead in hunting down the missing spy. But he isn’t at all pleased to find out Brynn is involved.

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.