This intriguing documentary follows author and activist Jack Herer along with Woody Harrelson, Ralph Nader, Bill Maher and other celebrities as they take up the banner for legalizing industrial hemp. Arguing that the hemp plant is an easily renewable source of energy, textiles, food, medicine, paper, plastics and more, the advocates make their case at conferences and rallies across America, including the 2003 Seattle Hempfest.