The investigation surrounding the violent stabbing death of a pizza delivery boy takes an unexpected turn when the suspect brought in for questioning is found to be Ted Hudson's son Daniel, a paranoid schizophrenic.Daniel has been living on the streets off and on and has gone off his medication. There is physical evidence placing his at the crime scene and in questioning, he admits his guilt. It's a difficult situation for Ted as the secrets in his personal life begin to be exposed, including the breakdown of his marriage.

Theo and Nicole's evening out ends with an unexpected tragedy when Nicole is shot and rushed to hospital. With no reason for her to be the target of a contract-style shooting, the investigation is slow to develop. It is the discovery of a dead body at the bottom of a cliff that provides the crucial lead. The dead man, Lance Stiffner, was shot by the same type of gun that shot Nicole. It quickly becomes clear that Nicole was the victim of mistaken identity. The intended target was Nina Napolitano, who was having an affair with Stiffner. Her imprisoned husband found out and put out a hit on both her and Stiffner. The identity of the shooter is provided by a reluctant accomplice, and Joe and Theo are soon involved in a high-speed chase with their suspect. The chase ends when Joe draws his gun and shoots the suspect, believing to be in danger of being shot himself. However, upon searching the car, no gun is found. Was Joe mistaken or was it a case of cold-blooded revenge?