Roc (1991)

S02E13 Joey's First Fan

Joey enthusiastically supports his talented student, Devon Brown, until he discovers that Devon is mixed up with Andre Thompson, the neighborhood drug dealer. To his shock, Joey finds out that Devon is making money for college by running drugs for Andre. Desperately trying to steer his gifted student away from Andre, Joey soon realizes that Devon is also battling an addiction to the very drugs he's delivering.