Private investigator Larry "Turk" McClendon, a former New York City policeman, is working as a bodyguard to Fred Blau when he returns to Los Angeles in an effort to talk crime boss Vince Albany into a deal. Blau's silence about a million-dollar swindle is offered in exchange for Albany's assurance that he will leave Blau and his family alone.

Pepper Anderson, working undercover as a waitress in a truck stop café, is forced to intervene in the quarrels of Shawn and Hilary Barbour, neighbours in her building. Shawn is a paranoid artist, while Hilary is a cool psychology student who tells Pepper and Crowley that she thinks Shawn will someday kill her. 

Pepper and Crowley pose as international jewel fences as part of a complex plan to capture a gang of jewel thieves. Heading down to Mexico, they are kidnapped and forced to make a deal to secure their release.

Crowley and Pepper are called in when word gets around that "The Company", formerly operated by Vito Angelo, is starting up again. Angelo has spent the last 15 years in prison and is soon to be released. Meanwhile, three hoods have been murdered and others terrorised. 

La Rue Collins is a masseuse, a gambler, a "steerer" for a high-priced brothel, and one of Pepper's best snitches. When the crime world finally catches on to her, La Rue has no one to turn to but the police. 

Pepper searches for a connection between the deaths of a mechanic, a bookkeeper and a college professor, who were all killed by the same gun, in the same gangland style. She goes undercover to find a leak in a government office.

The deaths of a prominent politician and a nightclub dancer in a car explosion send Pepper to work as a go-go dancer for Andrew Simms (guest star Robert Vaughn), the club's owner. Once poor, he now only wants the finer things in life.

Led by Joe Collier, their former Sergeant in Korea, Joe Woolard and other veterans turn to crime. Bill Crowley and Pepper Anderson investigate when the vets steal M-16 rifles, an anti-tank gun and ammunition from a National Guard armoury, killing a guard in the process. 

Pepper serves as bodyguard for a visiting campus speaker who, being black and Marxist, is a magnet for threats from hate groups.

Hit man Woody Lane is captured by Detectives Styles and Royster after killing a crime rival for Lou Gerard, owner of the Club Flora. Caught with the weapon in his hand, Woody still gets off. His lawyer proves that the gun could not possibly have fired the murder bullets, even though Sgt. Bingham's ballistics tests had proved otherwise. 

A search for a missing granddaughter of Sergeant Crowley's old friend leads Pepper to an adoption racket in which children are bought and sold.

Pepper goes undercover as a high school gym teacher to break a major drugs ring that is causing many of the students to become drug addicts.

Pepper's undercover work as a bored housewife results in the arrest of blackmailer Dennis Graham, but it turns out that a murderer is still at large.

Joey Marr, son of a murdered gang chief, is ready to testify against killer Frank Amsterdam. Pepper's job is to get this important witness safely into the country from Mexico.

Pepper goes undercover as a nurse in a retirement home to find out who murdered an elderly woman. There she uncovers evidence of 26 murders over the past few years.

Pepper goes undercover in a woman's prison to befriend a mobster's girlfriend and get information on her boyfriend. Her position becomes dangerous when she's recognised as a cop by another prisoner.

Squad veterans question whether their newest member really wants the job or is being pushed into it by his father, a retired detective.

Pepper and Crowley are called in on two rape cases which are not as cut and dried as they originally seem. The first victim is a hooker who has also been murdered, the other a wealthy young woman.

Pepper goes undercover as an airline stewardess when her informer is shot before he was able to tell her about a major drugs deal.

Pepper and Bill go undercover in a hospital to solve a series of rapes and murders involving women whose husbands are patients there. After befriending a wealthy grandmother, Pepper suspects her grandson Martin (William Katt).

Pepper and Crowley investigate a school for modelling to which many young runaway girls are attracted. However, they are not just modelling and either wind up as white slaves in Japan or in dodgy pornographic movies.

Pepper and Crowley pose as bank employees to nail a particularly vicious gang of bank robbers. When the bandits hit the bank on the second day of the stakeout, Pepper is forced to kill one of the thieves.