A high-school girl gets involved with a ring of teenage marijuana smokers, not realizing that she is being framed by greedy relatives out to prevent her from getting an inheritance, and starts down the road to ruin. A reporter poses as a soda jerk to infiltrate the gang of teen dope fiends and save the clean and wholesome youth of the town from the horrors of marijuana addiction. Joan Barry stands to inherit her late grandmother's fortune if she is able to fulfill a morals clause in the will. However, her greedy cousin Linda and her husband Jack plan to frame Joan by getting her loaded on marijuana and getting caught with Jack in a motel room. It is up to cub reporter Art Brighton to not only save Joan, but to bust a gang of dope peddlers, which Linda Belongs to, infecting the town.