Plot synopsis: They entered the mountains through humble trails, unknowingly stepping into the quiet poetry of Hakka life. In Spain, there is the famed Camino de Santiago—a journey of self-discovery. In Taiwan, there is the Raknus Selu Trail, the island’s longest national-level nature trail. It not only holds the shared memories of the Hakka people and other communities who have lived side by side, but also serves as a bridge of friendship between Taiwan and Korea. Taiwanese Hakka entertainer Rio Peng and Korean YouTuber Baik Dusan who resides in Taiwan, team up to guide Korean celebrities Kim Ha neul, Nam Woohyun, and Lee Junyoung on a healing journey through Taiwan’s mountain forests—walking the Raknus Selu Trail and experiencing its natural and cultural beauty step by step.