 Catherine Willows becomes part of a kidnapping when a suspicious-looking man is questioned about his bloodied hands. Upon release, Catherine, who is after the man to return his glasses, is told to get in the vehicle by a voice on the phone. The man s girlfriend has been kidnapped and will be killed if he doesn t deliver the ransom money on time. An important piece of evidence is the girlfriend s severed finger, given to her lover by the kidnapper.