One soldier of fortune Jonathan Shale, a former CIA military, veteran of the war in Vietnam agrees to replace his friend the teacher, a broken kneecap, Jane at work in one of Miami ordinary secondary schools. But soon Shale learns of the existence of a local gang Kings of Destruction, which has been active in the drug trade. No one can take control of these adolescents, and school leadership and teachers are simply afraid of this gang. To read more to understand this situation, Jonathan Shale turns for help to his fellow mercenaries. Now the young drug dealers is not very big trouble, because a new teacher own quite original methods of dealing with offenders.