A college girl from Jamaica witnesses the murder of a notorious drug pusher and Terry Webster is assigned to get her testimony in the days that follow, they fall in love, but the girl is tracked down by the murderer and killed. Terry uses himself as a decoy to trap the killers.

A telethon featuring an extremely famous country western singer requests of the police department extra protection. The rookies are assigned to the event. Their placement on this assignment results in their protecting the singer from a couple of bitter and unforgiving country folk from Tennessee. The hillbillies hold the singer responsible for the death of their sister, who died while she was giving birth.

The rookies must contend with 'The Teacher' an ex-convict who masterminds several well executed robberies using the young boys who are in the city looking for excitement.

A young man with a Jekyll - Hyde personality becomes a puzzle for Terry and Willie when he gives them a description of a suspected cop-killer. But for Mike and Ryker he poses a different problem: extreme danger.

Jill Danko is seriously wounded by a seemingly demented gunman while dining with her husband Mike. Later, they find out that the gunman is unable to be prosecuted in court, because he is suffering from a brain tumor which appears to be the cause of his action. The rookies take it upon themselves to prove the man is dangerous and can place society in jeopardy.

A young nurse suffers a terrifying ordeal when she is raped in the underground garage of Memorial Hospital. The rookies attempt to help the woman by offering support. They offer encouragement and assistance as the woman proceeds through the legal formalities which often are unsympathetic to the rape victim, and sometimes humiliate her.

The rookies are involved in a case of mistaken identity when they charge the wrong man with the murder of a policeman.

Harrelson is the head of the Special Weapons and Tactics team, a unit trained to handle unusually volatile situations. His hard-nosed attitude about police work irks rookie Terry Webster. (This Rookies episode served as the pilot for the S.W.A.T. series).

Chris is partnered with a patrolman who gets involved in suicidal situations so that he might be killed in the line of duty and his family would be secure with financial compensation.

Like many Vietnam veterans returning home after the war, Jimmy Webster is angry at society for treating him as if he was an outsider, and not openly accepting him. He is unable to find employment and is left with an important decision to make: either he can fall back on his cousin, Terry Webster, and turn to him for support, or he can join a robbery operation and make a large amount of money.

Jill is confronted by her past when a former lover of hers appears at her home. Mike is currently out of town. The unanticipated visitor gives the impression that he is fatally ill, thereby luring Jill into becoming involved with him, despite her uncertainty. Only after a period of time does Jill realize the great lengths this former lover will go to try to get her back and claim her as his own.

A look into Lt. Ryker's more sensetive side has him befriending a young, mixed-up girl who reminds him of the daughter he was forced to give up for adoption. The girl's boyfriend persuades her to use her friendship with Ryker for his criminal gain.

While performing their routine patrol, Gillis and Danko unexpectedly stumble upon a robbery that is taking place. They radio for additional support and a veteran police team arrive at the crime scene. One of the veteran policeman is killed in the midst of the robbery, and his partner places fault on Danko. The veteran policeman makes the suggestion that Danko be appointed to ride with him, a suggestion that turns out to have almost catastrophic results.

Webster is asked to play the role of a prisoner at the State Prison. He disguises himself as an inmate, in an effort to aid the issue of prison reform. However, when the other prisoners discover that Webster is merely pretending to be a fellow inmate, pandemonium results.

Lieutenant Ryker is selected to be personally in charge of an important investigation. A priest is murdered and a nun is badly beaten in a destitute neighborhood, and the community worries that religious restlessness with arise. As the investigation progresses, the rookies uncover a completely different motive.

The Ludlow precinct institutes a Police Cadet Program. One of the boys involved becomes overzealous and is kidnapped, along with Terry, by his sister's boyfriend who is a fugitive.

The murder of a construction company owner is witnessed by a woman and her married boyfriend, a doctor. Because of the possibility of a scandal, the doctor will not allow the girl to give information to the rookies. They do not know that the killers are now after the witnesses.

Mike's eager new partner proves to be a little too eager when he is found spending his off hours hunting for pushers because his younger brother died of an overdose.

The rookies must find ample evidence to arrest Tommy, who introduces young girls into unsavory careers for monetary gain.

Juvenile detail is typically known to be a relatively easy tour. However, this is not the case for Willie. While on juvenile detail, Willie discovers that he is not as emotionally strong as he once thought. He is presented with pain and death, in amounts that are greater than he can manage.

Jill, Danko's wife, is assigned to protect Lieutenant Ryker after he is wounded by a former prisoner who desires to take revenge. However, Ryker decides to take charge of the situation when Jill's life is at stake.

One of Willie's young female friends is desperately afraid when she discovers that she is afflicted with diabetes. After she makes the realization, the young woman flees to a drug rehabilitation center, to be around the other young people whom she trusts. However, she neglects to bring her insulin.

Terry Webster breaks in his new partner, junior rookie Chris Owens, searching for an arsonist. Someone is responsible for the murder of several firemen, all young, dark-haired and moustached.

A policeman who was injured in a market holdup returns to the force after a ten year recovery, in pursuit of the man he thinks is responsible for shooting him.

Willie and Terry are kidnapped by a disturbed criminal who is dying. The criminal leaves the two rookies in the desert, abandoned, with no food source and little hope of being rescued. Willie, in this situation, struggles to saves Terry's life.