Three rookie cops, Roy Fehler (Stacy Keach), Gus Plebesly (Scott Wilson (actor)), and Sergio Duran (Erik Estrada), report for duty with the Los Angeles police department. Roy is married with a daughter and intends to eventually become a law student. Gus is a father of three. Serge is a native of East L.A., who never expected to end up patrolling its streets.