Three navy war heroes are booked on a morale-building “vacation” in San Francisco. Once they manage to elude their ulcerated public relations officer, the trio throw a wild party with plenty of pretty girls.

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.