She appears to be four but is actually a three-thousand-year-old master of Yin-Yang arts. Waking up in an earthen jar, she finds her descendants haunted by evil spirits and their fortune stolen. With a child’s face and a compass in hand, she returns to the wealthy family—reviving her dying brother, exposing the impostor daughter-in-law, reclaiming her nephew’s stolen talent, and even turning the villain who tried to swap fates into a pig. While the elite circles whisper about "the little mad girl at the Yu mansion," she smiles, ringing her bronze bell: “I’m not here to collect a debt—I’m here to save your ungrateful lives.”
