Line of fire: A local power station worker plunges to his death on the same day his home is vandalized. A crime squad detective is found murdered and the evidence points to police corruption. Frost takes the lead in the investigation and clashes with the dead detective's abrasive boss..

Benefit of the doubt: Frost is irritated by his new partner, who has been transferred to Denton due to a string of personal and professional problems. The two try to solve a gruesome murder of a woman's body found on the railroad tracks.