After stopping a planned nuclear attack on U.S. soil, Bryce Stone and Di9 set out to catch the person responsible for it all: Tiffany Peterson. Once caught and behind bars, Di9 thinks the threat is over. But when smart devices go haywire and technical glitches begin happening too often, a pattern begins to emerge pointing to a potential hacker. It becomes apparent when the Professor finds a digital fingerprint that is consistent in all the glitches. Can Di9 track down the hacker before he sets off a chain of events that would cause mass panic and chaos in the United States?
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