This story is about the undisputed king of cannabis festivals, The largest free speech rally in the country, and how it affected change in Washington state and across America. No one disputes the role Seattle Hempfest played in Washington State, being among the first in the country to legalize recreational cannabis.The more than 30-year history of Seattle Hempfest is beautifully woven through all five episodes, creating an entertaining story filled with interviews with experts in science, policy, and history.More than 30 years. An All volunteer staff. Struggles with the city: Politicians, musicians, authors, activists, and famous attendees. All to free a plant.