Cathi Schauer faces the toughest race of her life: With 106 kilometers in length and 5,080 meters of elevation gain, the Zugspitz Ultratrail is the ultimate challenge for all trail running enthusiasts. Cathi has never run so high or so far before. How does she prepare for such a demanding race? Will she make it to the finish line in Garmisch-Partenkirchen? And in the end, will it be her strong will and personal ambition that help her, or will it be the 'we'—since Cathi is running with her twin sister and her husband?