Reed and Malloy have to think outside the box to capture an intelligent yet neglected teenage purse snatcher. Their efforts to talk sense into him before he commits a much more serious crime prove to be futile.

Reed and Malloy report to a burglary call that was witnessed by a boy with a photographic memory. Afterward, they are called to the scene of two drunk men shooting at a box of dynamite at close range in a residential area.

Reed and Malloy respond to a car rollover where a good samaritan makes matters worse. Afterward, they respond to several victims of a well-known family of seasonal home improvement con artists before finally catching them in the act. In the meantime, they search for a disgruntled ex-employee who is trying to sabotage his former workplace, and take a drunk driver off the street.

Officer Reed loses a robbery suspect while in foot pursuit. Afterward, he and Malloy try to help a priest prevent bloodshed between rival hispanic gangs, and then respond to a battered wife whose husband is very familiar to the officers.

Malloy and Reed drive up on a convenience store robbery in progress, which results in the suspects taking hostages. Later, they pull over a reckless driver who has just committed a heinous crime, learn about a new computer system designed to help them be more productive and finally thwart a group of serial burglars who use motorcycles.

Officer Reed, who is an optimist and still has faith in the human race, is subjected to ridicule from Officer Wells after he is swindled twice. On patrol, he and Malloy come to the aid of a woman whose baby has been kidnapped by a heavily armed man seeking a large ransom. Afterward, wells once again questions Reed's judgment during the search for an intoxicated sniper at large.

Malloy and Reed's day begins with a police garage employee taking a joyride in a police car (Code 3), later finding a young woman trying to cash an old age benefits check she found, checking a garage whose closed circuit TV security system was stolen, an elderly woman thinking she saw a prowler, finding a B&E suspect inside a coffin in a mortuary, and poaching into Officer Wells' territory to check on break-ins occurring in warehouses; finally apprehending two drugged out burglars inside a warehouse.

Malloy has to shoot one of two robbery suspects, then the officers counsel a young woman in a bad neighborhood not to hang around (she is later kidnapped by two men claiming to fix her car), the LAPD's Air-Ten helicopter is used to catch the kidnappers (who already had outstanding kidnapping warrants), find a "mover" (burglar) whose partner hides in a freezer, and the officers visit an apartment on a domestic dispute complaint and find another woman with severe injuries but the couple insists nothing is going on, later arresting the husband on domestic violence charges after the woman's mother calls the police back to the apartment after the woman's husband beats their daughter.

Police "buff" Jennings Thornton, a thorn in the side for Malloy and Reed, intervenes in a drunk driving case, runs down a shooter after a robbery (and nearly getting Reed killed), and is finally arrested himself for falsely arresting two teenage boys for stealing mag wheels that were actually legally bought. Another case involves a woman who stole an expensive ring from a store, leaving a cheap one in return; the suspect is later arrested during a parking lot dispute and the ring is found on her during a search

1-Adam-12 is back on the streets after routine maintenance, but the radio isn't working properly. During an armed robbery involving two suspects, Reed captures one while Malloy takes off in pursuit of the other one through Griffith Park and loses control of the car, and it rolls into an embankment hidden from the road, with Malloy suffering severe internal bleeding and a broken leg. All available units are called in to search for Malloy, who has to watch helplessly while a suspect hiding in the park takes his shotgun (which Malloy was using as a splint for his leg) and sidearm, and tears off the radio microphone leaving only leaving the wires. Malloy uses the wires to send a signal for help, which Reed picks up and is able to rescue his partner.

Sgt. MacDonald's anniversary is coming up and the officers have limited funds to spend on a gift, which is a bottle of champagne, but when the officers pick it up, the owner of the liquor store was shot in an attempted robbery. Malloy and Reed later find the robber dead in a park from a gunshot wound inflicted by the owner. Other incidents include a paralyzed ex-wrestler tearing up a bar, a man driving suspiciously turns out to be the proud owner of several traffic tickets in a 24 hour period, a used car dealer trying to take advantage of a Mexican customer who speaks little English, and two camper thieves pushing a truck with a camper that is too small for the truck bed.

Malloy and Reed find a girl who was raped and left for dead in the hills but was actually alive and identified her attacker's car as a red Porsche. Malloy spots the suspect car picking up another girl and gives chase, only to have the suspect dump the girl on the street and the officer loses the car. Later the girl's mother finds drugs in the laundry and determine she was selling and the "rapist" was her supplier, while the real rapist is caught when he checked out of the hospital after being hit by his victim's heavy purse. The officers also handle a robbery at a construction yard foiled by police scouts.

Cases include a woman whose purse was robbed after two men bumped her car while on the road, then are captured along with the loot when a citizen complains about loud noise coming from their lair. A broken-down car leads to a meeting between the car's owner and a counterfeiter, and a fight in a fast-food restaurant results in an arrest of one of the combatants on outstanding warrants.

A disturbance call leads the officers to a nightclub where a singer named Kathy is strung out on drugs, and clings to Reed on the way to the hospital, telling him someone is trying to kill her and give her drugs. Narcotic detectives decide to assign Reed undercover as an AWOL soldier with a large stash of heroin to sell. Reed makes a deal, but Kathy blows his cover, and Malloy saves his partner from being killed and helps bring down the dealers.

Malloy is told that the best player on the recreational league basketball team he coaches has begun using narcotics again, which he flatly denies despite evidence to the contrary. He and Reed also search for a hit-and-run driver who struck a child, and pull over a driver with a seemingly disrespectful and wanted passenger.

A young girl from Chinatown is ordered by her father to withhold information from Malloy and Reed regarding her boyfriend, an undercover cop left in a coma after investigating a potential attack on a Chinese elders' association. Meanwhile, the officers also encounter a middle-aged marijuana user and a cross-dressing criminal who leads them to a counterfeit money ring while trying to pay his lawyer.

Malloy tries to prove Sgt. MacDonald's innocence when Mac accidentally hits and kills a jaywalker while driving his police cruiser. Every witness on the sidewalk claims she was in the crosswalk, and the burglary suspect MacDonald is transporting is unmotivated to testify on his behalf. The truth proves to be far more complicated than the officers realized.

Malloy and Reed work to curtail the rise in illegal street racing by working with the leaders of rival racing clubs and obtaining the legitimate use of a drag strip through a race promoter. Their work is threatened, along with an anticipated race between Reed and Officer Wells, when one of the racers resorts to sabotage.

Reed becomes preoccupied with the well being of a friend, an electrical engineer by profession, who has just qualified as a reserve police officer and has the bad luck of drawing Officer Wells as his partner. On patrol, Reed and Malloy help out a group of distrusting young adults who are planning to illegally camp in a public park after a rock concert, pull over a young couple in a stolen car and aid wells and the reservist in the foot chase of a heavily armed man who has been coercing innocent strangers into committing bank robberies.