Australia, 1840s. Explorer Johann Voss and six of his companions set out on a deadly expedition with the ambitious goal of creating the first detailed map of the Green Continent. In Sydney, he leaves his beloved woman, the young aristocrat Laura Trevelyan, for whom life from that moment on breaks down into “before” and “after.” Foss knew that this would be a difficult, exhausting journey. Through the waterless, hot desert, where every drop of water is precious, and later - under torrential rains in the oppressive silence of the hostile Australian bush, through the territories of the Aborigines, who consider white aliens their rightful prey. He knew all this, but he could not even imagine how all these difficulties would change the members of the expedition, not excluding himself. Fury accumulates in the souls of people, and a rebellion is brewing in the camp...