Goren and Eames enter the closed world of a thieving Irish Traveller clan when they investigate the death of a probation officer who had been run over three times by a car after meeting a friend at the bar (Tom Noonan). They soon learn the probation officer had been involved with one of her charges.

Goren and Eames investigate the murder of a former nurse and discover a possible anthrax terrorist plot. The case takes a turn for the worse when Goren is blamed for driving a suspect to commit suicide. Now disgraced, Goren learns that a cunning adversary from his past may be involved. Olivia d'Abo guest stars.