On a Sunday morning, an unsuspecting parishioner collapses on the steps of a church.

Moments later the CEO of a cardiac pacemaker company receives a phone call from an electronically distorted voice demanding that they shutter their business by the end of the week, or he will continue to kill implanted patients.

Arnold Gold’s team of cyber detectives must now race the clock to track down the hacker’s identity and stop him before he can kill other innocent victims.