SILICON VALLEY: His code name is Phate -- a sadistic computer hacker who infiltrates people's computers, invades their lives, and with chilling precision lures them to their deaths. Desperate to stop him, the California State Police Computer Crimes Unit frees former hacker Wyatt Gillette to aid the investigation. As the obsessive Gillette fervently attempts to trace the hacker's insidious computer virus back to its source, Phate delivers a huge blow -- murdering one of the division's own. Now, teamed with old-school homicide detective Frank Bishop, Gillette must combine their disparate talents to catch a brilliant and merciless killer.