When a commercial airliner is blown out of the sky off the East Coast, the CIA scrambles to find the perpetrators. A body is discovered near the crash site with three bullets to the face: the calling card of a shadowy international assassin.

“In wartime,” Winston Churchill wrote, “truth is so precious that she should always be attended by a bodyguard of lies.” For Britain’s counterintelligence operations, this meant finding the unlikeliest agent imaginable - a history professor named Alfred Vicary, handpicked by Churchill himself to expose a highly dangerous, but unknown, traitor. The Nazis, however, have also chosen an unlikely agent.

On the snow-covered slopes of Utah, the unthinkable has just become a nightmarish reality: thirty Secret Service agents have been viciously executed and the vacationing president of the United States kidnapped by one of the most lethal terrorist organizations in the Middle East - the Fatah Revolutionary Council. But surviving agent and ex-Navy SEAL Scot Harvath doesn't believe the Fatah Revolutionary Council is responsible for the attack.

On the night he celebrates a big win, defense attorney Mickey Haller is pulled over by police, who find the body of a former client in the trunk of his Lincoln. Haller is immediately charged with murder but can’t post the exorbitant $5 million bail. Mickey elects to represent himself and is forced to mount his defense from his jail cell in downtown Los Angeles. Even if he can obtain a not-guilty verdict, Mickey understands that it won’t be enough. In order to be truly exonerated, he must find out who really committed the murder and why. That is the law of innocence.

Before he was considered a CIA superagent, before he was thought of as a terrorist's worst nightmare, and before he was both loathed and admired by the politicians on Capitol Hill, Mitch Rapp was a gifted college athlete without a care in the world...and then tragedy struck.

It is 997 CE, the end of the Dark Ages. England is facing attacks from the Welsh in the west and the Vikings in the east. Those in power bend justice according to their will, regardless of ordinary people and often in conflict with the king. Without a clear rule of law, chaos reigns. In these turbulent times, three characters find their lives intertwined.

Charged with spotting terrorist threats, the top-secret "Campus" has its hands full when Middle East thugs and Colombian drug lords join forces. New Campus recruits include Jack Ryan Jr., son of master spy John Patrick Ryan, now President.

It is fall. CIA analyst Jack Ryan, historian and former Marine, is vacationing in London with his wife and young daughter. Suddenly, right before his eyes, a terrorist group launches its deadly attack. Instinctively, he dives forward to break it up, and is shot. It is not until he wakes up in the hospital that he learns whose lives he has saved - the Duke and Duchess of Kent.

Former spy Maggie Bird came to the seaside village of Purity, Maine, eager to put the past behind her after a mission went tragically wrong. These days, she’s living quietly on her chicken farm, still wary of blowback from the events that forced her early retirement. But when a body turns up in Maggie’s driveway, she knows it’s a message from former foes who haven’t forgotten her. Maggie turns to her local circle of old friends—all retirees from the CIA—to help uncover the truth about who is trying to kill her, and why.

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.

Mickey Gibson, single mother and former detective, leads a hectic life similar to that of many moms: juggling the demands of her two small children with the tasks of her job working remotely for ProEye, a global investigation company that hunts down wealthy tax and credit cheats. When Mickey gets a call from a colleague named Arlene Robinson, she thinks nothing of Arlene’s unusual request for her to go inventory the vacant home of an arms dealer who cheated ProEye’s clients and fled.

When those inside the corridors of power need help outside the law, they know who to call. Jonathan Grave, covert rescue specialist, always gets results. No names. No feds. No trace evidence.

Detective Harry Bosch has retired from the LAPD, but his half-brother, defense attorney Mickey Haller, needs his help. The murder rap against his client seems ironclad, but Mickey is sure it's a setup. Though it goes against all his instincts, Bosch takes the case. With the secret help of his former LAPD partner Lucia Soto, he turns the investigation inside the police department. But as Bosch gets closer to discovering the truth, he makes himself a target.

An inexplicable explosion rocks the antiquities collection of a London museum and the race begins to determine how it happened, why it happened, and what it means.

Bruno is a former soldier who has embraced the pleasures and slow rhythms of country life - living in his restored shepherd's cottage; patronizing the weekly market; sparring with, and basically ignoring, the European Union bureaucrats from Brussels. He has a gun but never wears it; he has the power to arrest but never uses it. But then the murder of an elderly North African who fought in the French army changes everything and galvanizes Bruno's attention.