Special Agent Jennifer Marsh (Diane Lane) works in an elite division of the FBI dedicated to fighting cybercrime. She thinks she has seen it all, until a particularly sadistic criminal arises on the Internet. This tech-savvy killer posts live feeds of his crimes on his website; the more hits the site gets, the faster the victim dies. Marsh and her team must find the elusive killer before time runs out.

A husband is on trial for the attempted murder of his wife, in what is seemingly an open/shut case for the ambitious district attorney trying to put him away. However, there are surprises for both around every corner, and, as a suspenseful game of cat-and-mouse is played out, each must manipulate and outwit the other.