Three rookie cops adjust to life in Southern California.

A disturbed former Green Beret takes action against Mike, whom he blames for his capture and imprisonment in Vietnamese POW camp.

Terry pursues the killer of his former girlfriend's father, a retired policeman turned security guard; guest Tyne Daly, Keenan Wynn.

A young man suffering from a split personality perplexes Terry and Willie, but is the cause of extreme danger for Mike and Ryker.

Willie becomes infected with meningitis from a pair of former convicts who could cause a city-wide epidemic; guest Anthony Zerbe.