FBI behavioral psychologist Daniel Clark is a man on a mission. After over a year of tracking a mysterious serial killer known as Eve, he feels closer than ever to discovering the murderer's true identity when he finds Eve's latest victim still alive.<br><br>In an effort to save the girl, Daniel narrowly escapes becoming another casualty on Eve's list. Despite seeing the killer with his own eyes, a gunshot wound to the head leaves him with amnesia, unable to remember any details from the incident. His drive to find the killer takes on a whole new meaning when Eve takes yet another victim, one Daniel knows all too well-his estranged wife Heather.<br><br>Determined to bring her back alive, Daniel takes his obsession to a dangerous new level, even recreating his own near-death experience in attempt to recall anything from his encounter with Eve. Soon enough he finds himself fighting for Heather's life, and, in the end, his own.