John Hunter served his country for years as one of the CIA's most covert agents until he decided to orchestrate his own faked death and leave behind his dangerous past. Now, fifteen years later, he lives a peaceful life with his wife and two children, buying, renovating, and selling properties. But everything changes during the renovation of an old house.

A hidden room reveals a network diagram on the walls, exposing the deepest secrets of the world's shadow powers. Additionally, a rare piece of jewelry, coveted by the Albanian mafia, puts John's family in grave danger. As the threats become real, John is forced to dig up his old skills and re-enter the world he thought he had left behind.

John Hunter: Re-Activated Knowledge is a story of old secrets clashing with new threats, where John Hunter must not only protect his own life but also secure his family's future. As the shadows of the past reawaken, John must confront everything he once left behind and prove that a true warrior never forgets what he's learned.