CEO and entrepreneur Marcus Lemonis pulls back the curtain on Denver's South Broadway, better known as the Green Mile, home of the original "Great Green Experiment" in legal marijuana. From a millionaire grower dubbed "the Steve Jobs of Weed" to NFL legend Terrell "TD" Davis, Marcus meets the entrepreneurs, innovators and pioneers who are pushing this multi-billion-dollar market forward and he explores whether Denver's marijuana model could be an economic blueprint for cities across America and if weed really is "green gold"?