Mont Blanc, the roof of Europe, attracts the attention of mountaineers from all over the world, from seasoned climbers to novices. With its extensive media coverage, this mountain represents a dream of adventure for an ever-growing audience. Catherine and Maël, natives of Chamonix, also dream of reaching its summit. But climbing the giant of the Alps is a major undertaking that requires rigorous high-altitude training. Aware of the risks, the two novices enlist the help of Jean-Paul Lemercier, a high-mountain guide. He will give them the opportunity to learn about this challenging environment during a "Mont Blanc Course," which includes ice climbing school, two acclimatization peaks, and the ascent of the legendary mountain over three days. Set against the majestic backdrop of the Mont Blanc massif, this film retraces their preparation, their attempts, and the realization of their dream, day by day.