As Tanner rips apart a drug gang in Arizona, he thinks back on an episode from his past. Cody and Romeo help Spenser fulfill a contract while in Tucson, Arizona in 1998. Twenty years later, in New York City, Tanner believes he's seen a man whom he and Romeo killed long ago. In 1998, Cody and Romeo train hard, then face tests that will decide their fate. In the present, Tanner seeks vengeance on a man who once tried to kill him.

Every day without fail, Travis Devine puts on a cheap suit, grabs his faux-leather briefcase, and boards the 6:20 commuter train to Manhattan, where he works as an entry-level analyst at the city’s most prestigious investment firm. In the mornings, he gazes out the train window at the lavish homes of the uberwealthy, dreaming about joining their ranks. In the evenings, he listens to the fiscal news on his phone, already preparing for the next grueling day in the cutthroat realm of finance. Then one morning Devine’s tedious routine is shattered by an anonymous email: She is dead.

Army veteran Mason Sharpe's world is turned upside down when his beloved fiancée is killed in a random shooting. Struggling to cope with his grief, Sharpe instinctively heads for the North Carolina town where he and his bride had planned to honeymoon. Alone on a beach, contemplating a future which now seems bleak and empty, he stares into the abyss. But then… A body washes ashore. An investigation begins and the police quickly pronounce an accidental death. But Mason isn't buying it. He believes the man was murdered and someone is trying to cover it up.

Tom Walker arrives in his hometown, and in less than an hour, the clandestine government program he works for tries to kill him. Not much of a welcome. To make matters worse, the farm where he seeks refuge has–unbeknownst to the owner, Leila–an underground drug ring operating on property. And despite this newfound danger, Leila risks her own life just to nurse Walker back to health.

Just days before a massive exhibition opens at the popular New York Museum of Natural History, visitors are being savagely murdered in the museum's dark hallways and secret rooms. Autopsies indicate that the killer cannot be human.... But the museum's directors plan to go ahead with a big bash to celebrate the new exhibition, in spite of the murders.

A major North American hydroelectric dam is blown up and the largest off-shore oil field in this hemisphere is destroyed in a brutal, coordinated terrorist attack. But there was one factor that the terrorists didn't take into account when they struck the Capitana platform off the coast of Colombia—slaughtering much of the crew and blowing up the platform—and that was the Capitana crew chief Dewey Andreas. Dewey, former Army Ranger and Delta, survives the attack, rescuing as many of his men as possible. But the battle has just begun.

A master assassin craves one thing above all else: a normal everyday life. Trained to be a killer from the age of 11, Peter has never known the things the average person takes for granted. He has always been an asset. Burned by the CIA and now occupying their secret hit list, he works overseas as a Ronin, living a solitary life in hiding. But someone knows where he is. A strange man arrives at his door offering Peter the chance of a real life. "Get this done and you can be free," he is told.

Because within ODIN there is General Operations, which speaks for itself; ODIN 5i, which deals with intelligence gathering, and then there is ODIN 1i which deals in operations so sensitive not even the CIA can touch them. All three are run with an iron first by The Chief, a giant with a gigantic IQ. His top agent is Alex Mason, hard and cool – he's a law unto himself.

America is under attack. Thousands lie dead after simultaneous strikes across the country. The day will come to be known as Bloody Monday. Jason Trapp, codename ‘Hangman’, was a covert operative whose feats became the stuff of legend. He was the tip of the spear—the man his country unleashed when all hope was lost. Six months ago, someone sold him out. The Agency listed him as killed in action. He lost everything—and everyone—he held dear. But Trapp’s not that easy to kill.

In her career as an Army intelligence officer, Amy Cornwall has seen haunting sights half a world away. None compare to the chilling scene at her Virginia home. It is empty. A phone rings with a terrifying ultimatum: locate and liberate an unnamed captive in 48 hours, or her kidnapped husband and 10-year-old daughter are dead. Now, and in open defiance of Army Command, Amy must employ every lethal tactic she has to save them. To succeed, she must discover not only who dispatched her on this mission, but why. Without her family, she's dead anyway.

New York City faces a fate worse than death, the President suspects a traitor in the White House, and an intelligence analyst discovers a diabolical plot.

Honor Gillette discovers Lee Coburn in her yard–the man accused of murdering seven people the night before. Dangerous, desperate, and armed, he promises Honor that she and her young daughter won't be hurt as long as she does everything he asks. Coburn claims that her beloved late husband possessed something extremely valuable: a treasure that places Honor and her daughter in grave danger. He's there to retrieve it at any cost.

Not every crime is committed with intent, but each has one thing in common: The guilty party was asking for trouble. In "Making Ends Meet", Richard can’t stand the idea of supporting his deadbeat in-laws anymore, so he decides to remove them from his life - permanently. Matt is ready to reform his brawling ways, but the group he joins doesn’t turn out to be a typical 12-step program, in "The Taskmasters". "Protecting the Innocent" features Nick, who fails to heed the warnings of his girlfriend’s possessive brother....

Identified as a person of interest in three cold case murders she didn't commit, retired assassin Leine Basso accepts a temporary position as a security specialist for A-list actor Miles Fournier. Leine finds she has her hands full trying to protect the head-strong celebrity, while at the same time fighting her desire for Detective Santiago Jensen; a game she knows she can't win.

Ex-deputy US Marshal Axel Blaze is doing what he knows best—dealing with trouble. Ten years in the special forces and five years in the US Marshals have made Blaze a trained investigator and expert in combat. Blaze does not fight his opponents; he puts them down. He strikes first. And hard. Takes them out. Fast. Deputy Marshal Carter has gone missing in Little Butte, Nevada. The Dawsons own the town. The Mexican cartel is moving in on their meth business.