Armed with a State of California Medical Marijuana recommendation, he begins a journey into the international underground where super-high-grade marijuana is developed and tracks down the rag-tag community of underground botanists, outlaw farmers, and renegade strain hunters who pursue excellence and diversity in marijuana, defying the law to find new flavors, tastes, and effects. This unrelenting pursuit of dankness climaxes at the Cannabis Cup, which Haskell Smith vividly portrays as the Super Bowl/Mardi Gras of the world's largest cash crop.