A beautiful but reserved criminal psychiatrist must deal with the obsessive stalking of a dangerous killer in this erotically charged thriller. The film's central tension emerges from the relationship between Dr. Sarah Taylor (Rebecca DeMornay), a highly professional psychologist, and a handsome stranger, Tony Ramirez (Antonio Banderas). After randomly encountering Tony in a supermarket, Sarah lets her guard down and embarks on a passionate sexual affair with the Latino charmer. Soon afterward, however, Sarah receives a series of disturbing threats from an unknown stalker. Her suspicions immediately fall on Tony, as she realizes how little she knows about her new lover.