A mother leaves her little boy Doudou in the countryside under the care of his scowling but good-hearted grandmother, who is a Taoist exorcist.
故事描述一名小男孩豆豆，媽媽將他託給住在鄉下、會替人收驚的阿嬤照顧，小男孩和面惡心善的阿嬤相處，產生一段有趣溫馨的幻想旅程。