When nanotechnology pioneer Dr. John Steinberg orders his graduate student Breanna Welsh to flee Beijing without explanation, she knows something is terribly wrong. Within days, he's dead--an apparent heart attack. But Breanna discovers the unthinkable: nanobots engineered to cure disease have been reprogrammed to kill. Now she's being watched. As shadowy operatives close in and trusted authorities begin to look compromised, Breanna must decide who--if anyone--she can trust. A jealous friend? A mysterious firefighter who knows her name? Or no one at all? With her faith shaken, her mentor murdered, and her groundbreaking work weaponized, Breanna races to expose the truth before the same technology meant to heal humanity becomes its deadliest weapon. In a world where science can rewrite life itself, what happens when the cure becomes the threat?
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