At fifty, Lin Yuanshan uses his entire life's savings and sells his old family home to support his son's marriage. But after moving to the city, he faces daily mistreatment from his daughter-in-law, while his son gradually grows distant and cold. On his birthday, he is thrown out of the house. With nowhere left to turn, Lin Yuanshan unexpectedly discovers a hidden mountain spring whose water has miraculous effects on crops. Teaming up with the kind-hearted villager Wang Dazhuang, he cultivates high-quality specialty fruits and vegetables, discovers the mountain's natural treasures, and meets influential businesspeople who recognize his potential. Step by step, he builds a successful business through hard work and determination.