When the world's most dangerous cybercriminal resurfaces from the grave, ex-hacker-turned-agent Samantha Reade is thrust into a high-stakes game of cat-and-mouse. As digital threats loom large and the clock ticks down to global disaster, Sam must confront not only a new breed of digital criminals but also a ghost from her past—a former ally turned ruthless adversary. As the lines between friend and foe blur, Sam's pursuit of justice turns into a personal vendetta that could cost her everything. In Unseen, nothing is as it seems, and even the shadows hold deadly secrets.