Former ""Partridge Family"" cast member Danny Bonaduce stars as fallen teen idol JOHNNY OSIRIS, star of a 70's television series, who's now down on his luck and taken to robbing stores on the boardwalk. His fame is rekindled when the media learns that Johnny O has teamed with another criminal. Chris and Cory chase their former teen idol , who is being protected by his television sister (Susan Olsen of the ""Brady Bunch""), his record-producer father (Adam West of ""Batman"") and a high profile defense attorney (Erik Estrada of ""CHiPS"").