Police shut down marijuana operations run by Native American tribes. The Paiute Tribe of Las Vegas look to weed to avoid their extinction.

In the United Kingdom, Krishna Andavolu follows underground medical pot patients and providers as they dodge the law to deliver back-alley healthcare in a country that considers them criminals.

Krishna investigates black market dealers and growers in Atlanta and Oakland to discover why they have yet to break through into today's legitimate weed world.

In an unaccredited detox facility in the backwoods of Maine, former addicts try to get current addicts clean by smoking and eating massive amounts of weed.

Krishna meets believers in Colorado and Rhode Island who merge their reverence for a higher power with their love of smoking cannabis.