Li Lang, a modern person, traveled through time and became Li Dalang in Lijia Village. In his previous life, he was an older man and now he not only has a wife but also a lovely daughter here. Faced with the dilemma of having a destitute family and his wife and daughter about to starve to death, he had to shoulder the burden of supporting his family. Unable to seek help from his mother at home, he directed his hope of survival to the mountains and forests. So he resolutely went up the mountain and began a life of identifying and collecting mountain products to support his wife and daughter. With his knowledge, he turned ordinary mountain goods into a treasure to support his family. From poverty to establishing a mountain goods trading company, he gradually changed his destiny.