Following the brutal murder of a young real estate agent, a hardened detective attempts to uncover the truth in a case where nothing is as it seems, and by doing so dismantles the illusions in his own life.

Forensic psychologist and detective Alex Cross travels to North Carolina and teams with escaped kidnap victim Kate McTiernan to hunt down "Casanova," a serial killer who abducts strong-willed women and forces them to submit to his demands. The trail leads to Los Angeles, where the duo discovers that the psychopath may not be working alone.

Alex Cross, a genius homicide detective/psychologist is trying to clean up the mean streets of Detroit while keeping his family out of the line of fire. As he mulls over accepting a job with the FBI, he is told that a friend has been murdered and he vows to track down the killer. Soon, he and his team are forced to match wits with a psychotic contract killer, who displays a disturbing commitment towards seeing his job through.

Sarah Taylor, a police psychologist, meets a mysterious and seductive young man, Tony Ramirez, and falls in love with him. As a cause of this relationship, she changes her personality when she begins to receive anonymous telephone calls.