When Lance Spector quit the CIA, he swore he was out for good. One more government lie and he would go off the deep end. They could find someone else to do their dirty work. As far as he was concerned, Washington, Langley, the Pentagon could all go to hell.

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.

Meet Victor. He's an assassin - a man with no past and no surname. He lives alone. He operates alone. He's given a job; he takes out the target; he gets paid. He's The Killer. Victor arrives in Paris to perform a standard kill and collect for an anonymous client. He completes it with trademark efficiency - only to find himself in the middle of an ambush and fighting for his life.

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.

Evan Smoak is a man with skills, resources, and a personal mission to help those with nowhere else to turn. He’s also a man with a dangerous past. Chosen as a child, he was raised and trained as an Orphan, an off-the-books black box program designed to create the perfect deniable intelligence asset: An assassin. Evan was Orphan X - until he broke with the program and used everything he learned to disappear. But now someone is on his tail.