Guillaume Duranceau-Thibert, a globetrotter and horticulturist, climbs the highest mountains in the world to meet the people who live among the peaks. As he immerses himself in their daily lives with openness and empathy, Guillaume discovers how the mountains shape the way of life of those who call them home. Through his deeply emotional adventures, he learns how these communities live in harmony with the mountains and draw on their resources to sustain life at high altitude from generation to generation.