The 45-minute documentary shows how Heineken beer is brewed in the Dutch cities of Zoeterwoude and Den Bosch following an almost 150-year old recipe. The National Geographic filmmakers follow the various steps of the brewing process; selecting the right barley and hops, using top-quality water, malting, brewing, fermenting, lagering, and of course packaging the beer in the iconic green Heineken bottles. The film pays special attention to how the company has incorporated sustainability in its business processes, most notably in the efficient use of water and energy. Some interesting facts and figures about the Zoeterwoude brewery are included in the documentary