Set in the early years of the Republic of China, the story follows the descendants of the Five Dragon-Seekers as they become embroiled in a fierce battle over the hidden underground palace of Lu Ban. Seeking to break an ancestral curse, Japan’s Aoi family pursues the treasures and cultural relics concealed within the ancient site. Through courage, ingenuity, and a series of high-stakes confrontations, the protagonists fight to protect China’s precious cultural heritage from falling into foreign hands.