Terrorists are threatening to take over the United States using computers as opposed to weapons. A mathematics professor and a hacker set out to uncover the plans as two FBI agents begin tracking leads that will soon unite them all.

When terrorists threaten the United States, the FBI and NCSA join forces with ethical computer hackers to battle the threat and follow the leads. But when loyalties are tested and answers revealed, the twists come more frequent and the lines are drawn.—Joe Valenti