Taiwan’s Central Mountain Range features 138 peaks with altitudes exceeding 3,000m, stretching over 300 km from north to south. KU Ming-cheng and CHOU Ching, two trail runners with very different temperaments and a 30-year age gap, spend three years training and exploring with the aim of traversing the Central Mountain Range on foot. This documentary captures their record-breaking eight-day, 16-hour feat from the very beginning, traversing self-doubt and disagreements, to finally achieving their goal, every step resembling a peak of life marked by unwavering determination.