Two women are raped and the letter "z" slashed into the faces. Dunbar and his team investigate the possibility that the rapist is a former prison inmate.
Dunbar discovers that a string of murders may be connected to the stolen car case he is working on solving with the help of his reluctant new partner, Karen Bettancourt.
A twelve-year-old boy is found murdered and the trail leads Dunbar to a suspected child molester. During a dinner party, Dunbar gets angry and his wife threatens to leave him.
A detective's body is found and the department suspects the killer was a person the detective arrested. But Dunbar follows the hunch that the killer was the detective's partner.
Dunbar tries to deal with his former partner Terry's shooting, especially since there are still issues between them since Terry caught Dunbar his sight.
Dunbar tries to redeem himself after the shooter of a Korean grocer escapes past him.
When a man who had previously reported being molested as a child dies after a long fall, the initial suspect is the man he accused, but evidence seems to point elsewhere.
Dunbar and Bettancourt get involved in a bitter custody battle between a mother and a father, forcing the mother to give up her child to him. Meanwhile, Dunbar tells Bettancourt's new boyfriend that he needs to leave the picture or else Bettancourt will learn of his prior arrests.
Dunbar and Bettancourt search for a killer whose victim cannot be identified because he was shot in the face. Bettancourt is furious at Dunbar for chasing away her boyfriend without letting her know about the guy's criminal history.
An undercover operation goes awry when Dunbar, who is pretending to be a drug dealer, is beaten and robbed of his guide dog.
An elderly woman is found dead after an apartment fire. When it is ruled an arson, Dunbar and Bettancourt are called in to investigate.
Dunbar's gun is stolen and may have become a murder weapon. A teenager is killed because of his connections with drug dealers.
While investigating the murder of a boxing promoter, Dunbar has to figure out whether he should give up his gun or not.