Highway to Heaven - Season 4 Episode 16 Back to Oakland

Jonathan and Mark return to Mark's old hometown of Oakland and they go visit his old precinct. They learn that there a case of ""the blue flu"" and Mark's old Captain asks him if he could fill in for awhile. He his teamed up with an old friend whom he discovers is a racist. Jonathan then goes to an apartment building that is need of a new handyman and Jonathan meets the (black) woman who is the manager. Now she has two sons, the elder hates anyone white and is practically a delinquent.