Retired serial-profiler Frank Black has a special gift, the ability to see into the minds of criminals. Since leaving the FBI he has worked with the Millennium Group, a clandestine team of ex-law enforcement experts battling the evil that is steadily growing as the millennium approaches. But when his wife is kidnapped Frank realises that there are certain secrets that the group has kept from him. Already suspicious of the group's real motives, a dangerous division within the group itself finally convinces Frank to quit. Determined to alert his friends and co-workers to the growing danger, Frank is horrified to discover that it may be too to save anyone.