This Taiwanese animated film follows a young boy named Dou-Dou as he adjusts to life with his grandmother while his mother is away. While initially bored with his new surroundings, he discovers that his grandma is a supernatural expert who regularly contends with ghosts. Soon circumstances make it possible for Dou-Dou to see and interact with spirits, too, resulting in plenty of paranormal adventures as he meets specters of various dispositions, including the gentle apparition of a young girl.