The film uses stunning still images, captured by National Geographic photographers, to explore the causes and consequences of Earth's dwindling fresh water supply. Themes: 'The Big Melt' examines melting glaciers in the Tibetan Plateau and their direct impact on two billion people across Asia; 'The Burden of Thirst' chronicles the daily struggle facing African women to gather water for their families; 'Parting the Waters' shows feuding nations in the middle east who must share water despite reduced levels in the Jordan river basin; 'Silent Streams' looks at the challenges facing fresh water species in the southeastern United States and scientists' efforts to save them; 'California's Pipe Dream' surveys California's vast water infrastructure in the wake of rampant development that threatens metropolitan supplies; 'Sacred Water' looks at humankind's profound spiritual relationship with water, which is ubiquitous among all people of all races. Narrated by the photographers and editors of National Geographic Magazine.