A terrorist threat goes viral, plunging our world into chaos and pitting it against an enemy we never anticipated. A computer failure triggers a meltdown in a plutonium reactor - a breach so sophisticated it could come from only one source: Dubito, a group of online anarchists. As the Situation Room in Washington scrambles to stave off panic and ferret out the group responsible, reporter Jessica Taylor and her hacker friend Daniel Garson arrange a secret meeting with a member of Dubito. The stranger relays to them a one-word warning - Armageddon - before he's felled by an assassin. But it's only after all Dubito members are killed by agents that the truth of the matter surfaces.