Bobby and Andy collide with a Rumanian immigrant who has a woman locked in the trunk of his car, later investigation shows him to be a terrorist. While transporting the serial killer out of the station house, the Webster serial killer is shot and his last victim's father is on the premises. Bobby begins to investigate the father and another member of a victim's support group. Greg tries to talk with Dana about his relationship with Donna, but she takes advantage of the situation. James asks Adrianne out for dinner; however, she rejects him because she does not want to be involved in relationship with someone she works with, given her previous history.