This 1936 propaganda film took on a life of its own when the National Organization for the Reform of Marijuana Laws dug it out of the Library of Congress in the early 1970s. Since then, the movie has become a cult hit among modern audiences, who appreciate the story line's comedic value. In short, a group of teens seduced by the power of "reefer" take a few puffs -- and instantly become psychotic killers, jazz addicts and whores.