During the winter, at a large dam near Adamello were only two guards. One of them down to the valley: it would replace a companion who, suddenly, following the birth of a child, and 'forced to return home. his place is taken by Roberto (Roberto Seveso), a young student who agreed to go up there', where will have all the time to prepare for exams. The relationship between the student and the native, the rugged mountaineer that and become the fellow, are at first characterized by a certain embarrassment; but gradually the atmosphere thaws and native and happy to teach the young naive what he has learned from the experience of life. When the discomforts that Roberto not used too much loneliness and the cause of bouts of fever, and own Christmas treat him lovingly. The good life, in close contact with nature, away from the sophistication and the turmoil of civilization, between the white snowy expanses and so close to the tops of the mountains, in absolute silence, interrupted only by their voices: all this from really the impression that time has stopped.