A screen adaptation of the well-known novel by Roger Frison-Roche about the harsh lives of mountain guides and their families in the French Alps, near Chamonix and the French/Swiss/Italian borders... Like his father, Zian Servettaz is a dedicated mountain man. His Italian-born wife Bianca does not adjust well to his mountain village in France, and to the ever life-threatening dangers presented by his mountain guiding and climbing. She briefly returns to Italy and to her family. However, after Zian's insistence and trip to Italy, she returns to mountain life in the French Alps. Once back there, events will unfold, changing their lives as well as those of other mountain people forever.