FBI Agent Jack Kenyon is an expert at cyber warfare, in which hackers and secret government agencies leverage weak spots in the Internet to cause carnage to their enemies. Assigned to uncover an industrial spy ring trying to steal Cyberworm, a US secret code, Jack is sure the murder of a double agent is linked to his investigation. But the sudden passing of his aunt Lydia in London complicates his plans. As the named executor of her estate, Jack flies to England, only to discover evidence that Lydia's death may have been connected to a terrorist plot to unleash a devastating computer virus.

As his professional life collides with his personal, Jack can't help but wonder about the odds of such a coincidence. Jack must solve Lydia's murder and catch the conspirators intent on wreaking international havoc—before the truth about his family catches up with him.