Maria Granberg lives to conquer the world's highest mountains. It's her way of trying to understand herself better and evolve as a person. It's also a means of coping with the darkness that comes and goes in life. In September 2022, she is set to climb the 8,163-meter-high Manaslu in Nepal without oxygen. After several weeks, as the expedition is on the verge of reaching the summit, the unthinkable happens, leaving her with only one conceivable way out.