Qiyao, a modern medical student, accidentally traveled to the countryside of the Tang Dynasty. Her parents died young, and she took care of her younger brother alone, living in poverty. Fortunately, he received the mysterious jade pendant and inherited the medical skills and planting skills. She improved the poor soil, planted high-yielding crops, and used her medical skills to treat villagers and became famous. Faced with high taxes, she stood up and petitioned for the villagers. In the process, she not only won the respect and love of the villagers, but also gained true love. With her wisdom and courage, Qiyao embarked on a unique journey of saving the world in the Tang Dynasty, writing her own legend.