Premise: After medical cannabis was legalized in California in 1996, a start-up business called Harborside Health Center was founded in Oakland. But this is not your ordinary health center. It has become America's largest medical cannabis dispensary, serving tens of thousands of patients. This series provides a look at the controversial business, founded by Steve DeAngelo, whose mission is to provide the best possible product to his diverse client base. DeAngelo also uses the business to educate others about the regulation and taxation of medical cannabis.