Film about the first French expedition in 1968 in the Wakhan Corridor in Afghanistan. After a long and laborious approach by R4 car in the footsteps of Marco Polo, through Turkey, Iran and Afghanistan, to the high valley of Wakhan, in the heart of the Hindu Kush, Isabelle and Henri Agresti (high mountain guide), accompanied by Yves Dominoni, Renée and Lucien Agresti, more than precious help, explore a little-known valley for 40 days, and climb some virgin peaks of 5000 and 6000 meters. The return to Europe will be by the tracks and roads of the south: Pakistan, Iran, Iraq, Jordan, Syria... A trip of approach to go later to explore the mountains of China, then still closed, and the Tibetan side of Everest... The project of a lifetime.