Based on a real story. This book tells the moving story of two climbers, father and son. During an expedition to the Aconcagua Mountain they lose their way back in the middle of an intense storm. At more than 6, 000 meters high, somewhere in the highest peak of the American continent, father and son face death. The father goes blind due to a brain edema, and they have to face the relentless harassment of the cold and the wind while their hopes for surviving disappear as hours go by.