A narcotics-linked murder pits the squad against an ex-cop---the dead man's brother. Tom Blake: Steve Ihnat. Pete: Michael Cole. Vinnie: Michael Baseleon. Linc: Clarence Williams III. Julie: Peggy Lipton.

Carl Betz plays a disillusioned solid citizen who becomes involved in the death of a hippie girl. He's seeking the girl's killer while his heartsick daughter searches desperately for him. Julie: Peggy Lipton. Lorrie: Annette O'Toole. Linc: Clarence Williams III. Pete: Michael Cole. Johnny: Dan Travanty.

Greer and another veteran cop have both been frustrated by a drug pusher they've been trying to nail, who has twice had his case dismissed on legal technicalities. Finally, the third time appears to be the clincher, as the man is caught at an airport with a case full of heroin.

When his motorcycle breaks down on a trip, Linc stops in an abandoned town, only to discover that a kidnapped boy is being held there for ransom. The kidnappers decide to hold Linc as well until they get the money.

After Julie picks up a blind hitchhiker, they have a flat tire and flag down a passing car for help. Unfortunately, the people in the car trick them into switching cars and abandon them in the desert.

A circus owner asks the trio for help in finding out who's committed sabotage and murder in the big top.

A stable boy's employer frames him for possessing drugs and continues conspiring against him after his parole, all in order to stop the young man's romance with his daughter.

A man happens to witness the murder of a sales clerk and agrees to testify at the trial. As a result he and his family are relentlessly terrorized by someone, even after the trial has ended.