Watch Emperor of Hemp for Free: How to Stream the Movie Online at 123Movies. . This documentary chronicles the life of Jack Herer and his struggle for awareness and enlightenment of cannabis sativa, a.k.a. marijuana or hemp. His research into this plant culminates in his writing The Emperor Wears No Clothes: The Official Hemp Bible. He has dedicated his life to educating people about the history and many utilizations of hemp, the conspiracy against it, and ending marijuana prohibition.