John Zenda

240-Robert is an American drama series that ran on ABC from 1979 to 1981. The series title is a reference to the call-sign designation for the Los Angeles Sheriff's Department's search and rescue/paramedic teams.

Mick O'Brien is a young Chicago street thug torn between a life of petty crime and the love of his girlfriend. But when the heist of a local drug dealer goes tragically wrong Mick is sentenced to a brutal juvenile prison where violence is a rite of passage and respect is measured in vengeance.