During patrol the officers notice a very nice looking woman walking her Scott Terrier. Air 10 requests Adam-12 help to stop a motorcyclist riding in the dry hills with potential to start a wildfire. Results in pursuit and following Air-10's directions to his house where a discussion with the young man and his mother ensues. A call to a movie theater by a patron who found the manager and ticket saleslady both missing. A search reveals them tied up upstairs. A man on a gray motorcycle had held them up. They stop a gray motorcycle but the rider is a woman. Another patrol car spots the motorcycle and Malloy recognizes they can cut him off at a pedestrian tunnel where they force the man to crash. They notice the woman and Scottie are still out walking and window shopping. At a robbery scene they encounter a guard who has been shot, provides them a description, and then dies. Air-10 spots a possible suspect and with Adam-12 purses the car. It is a couple who thought it would be fun to play chase with the police copter. When they notice the Scottie tied up, further inspection turns up the woman who is stealing furs.

The officers spot a car failing to yield to another car; the driver is a cat burglar Reno West that Malloy arrested and recently released from prison. They spot an abandoned and stolen car and call to have it removed. Reed spots a robbery in a store. The owner is shot and killed and they pursue the suspect into a pedestrian tunnel where Malloy wounds him and Reed is forced to kill him. A call to a library about stolen books turns up West checking out books on several costly items he is looking to steal. They receive a call about a domestic disturbance that turns into a shots fired call. A distraught man is in his house with his daughter. Reed and Malloy are able to rescue the girl even though the man had Reed in his sights. The girl is able to talk her dad out.