A time-lapse documentary about the Czech invention named S.A.W.E.R. (Solar-Air-Water-Earth-Resource) depicts events affecting, changing, and determining the Czech participation at EXPO 2020. A film about 2-year-long battle against the odds presents 7 brave Czech scientists, who set their minds on creating a device able to obtain water from the atmosphere. The story, mapping the creation of S.A.W.E.R, its laboratory testing followed by testing in a desert, is put into a wider context of the deficiency of water in multiple regions of the world. Using sun, the device can obtain up to 200 liters water per day even from extremely dry air.