Mysterious drum sounds, ancient ancestral halls, dark passages... The whirling secrets hidden in the green depths of the beautiful Morong Miao Village are waiting to be revealed by the clever "Mi Duo (meaning little boy in Miao language)" and "Mi Cai (meaning little girl in Miao language)". The mysterious fairyland-like Xiangxi is rumored to contain many magical Miao doctors with superb medical skills. Lin Yueran, a "medicine jar" little girl suffering from chronic respiratory disorders, accompanied by her parents, came to the Morong Miao Village in the mountains covered by countless fogs with great hope to seek medical treatment. However, this medical journey was full of unknowns and adventures. Lin Yueran's good friend, the grandmother of Miao boy Chaze, mysteriously disappeared...
Mission: Cherish water resources and protect nature