Deep at midnight, young Zhong and his sister Doudou embark on a treasure hunt in the paddy fields, only to face a buzzing "Buzz Attack"! The “shadowy” grandfather comes to catch the wandering children, sparking an unexpected rice-planting challenge! When an invitation arrives from afar, Zhong and Doudou follow Grandfather on a quest — a journey full of warmth and unexpected stories, adventure and amazing wonder — to discover their roots.‌

‌In the end, they uncover the secrets behind the rice. When harvest season paints the fields gold, carrying Grandfather’s hopes in their hearts, they back to grandpa’s paddy field…‌