Hunter Lu Chuan, introduced by Aunt Liu, marries into the Su family as a matrilocal husband, facing debts and the dilemma of the barren mountain together with Su Qinghe. He repairs the donkey cart, gathers mountain goods, seeks warm springs, and protects the medicine valley, leading the villagers to harvest herbs according to the rules and awakening everyone's cherish for the mountain forests. Su Qinghe's father, Su Shanhe, trapped in the medicine valley for half a year, is finally brought back by the family. Xu Changshun goes from making troubles to admitting his mistakes, the barren mountain finds a new path to life, the family reunites, and days become increasingly promising.