Zhang Tianxue is framed by her second aunt, Zhang Xiulan, and falls off a cliff, accidentally meeting Doudou, a spirit fox that understands human nature. At the bottom of the valley, she harvests many rare mountain goods, and after returning to her village, she exposes her second aunt's conspiracy to seize the family property. Later, she rescues Su Chengxia, who is forced into marriage, makes a mountain-climbing festival bet with her rival, and wins the mountain field with the help of the spirit fox. Afterwards, she leads the villagers to develop ecological herbal medicine cultivation and entrepreneurship. Through twists and turns, spirit fox Doudou exhausts its spiritual power to save someone and falls into a deep sleep, with everyone eagerly looking forward to its awakening and return.