Plot: Insight moment that opens up a breakthrough in a tiring life. "Let's go trekking!" Four stars who have fallen into workaholic and burnout at least once in their lives gathered in Gangwon-do Province! Highland healing trekking course on the clouds spread like a carpet! 1,330m above sea level! A special trip to Untangodo 1330 on a beautiful forest path embroidered by nature! (Source: Naver