In a village in China, Zhao-Shao receives a letter from the palace of one of the king's concubines named Mao Mao. When she arrives, Mao Mao asks her to teach her daughter reading and writing. Little did she know that Zhao-Shao's older sister had disappeared in the palace three years ago. Zhao-Shao took advantage and searched for her sister, covering up by pretending to teach Mao Mao's daughter. However, she didn't know that Mao Mao's oldest son, "Qing Shaw," was aware of her plan.