High-school principal Dr. Alfred Carroll relates to an audience of parents that marijuana can have devastating effects on teens: a drug supplier entices several restless teens, Mary and Jimmy Lane, sister and brother, and Bill, Mary’s boyfriend, into frequenting a reefer house. Gradually, Bill and Jimmy are drawn into smoking dope, which affects their family lives.

Mitch Wayne is a geologist working for the Hadleys, an oil-rich Texas family. While the patriarch, Jared, works hard to establish the family business, his irresponsible son, Kyle, is an alcoholic playboy, and his daughter, Marylee, is the town tramp.