There was a severe drought in Hexi. Eleven-year-old Ah Jun was abandoned by his family. He followed his mother's last wish and went to the capital to find his biological father, Nie Yuan, the Marquis of Zhenbei. However, he was indifferent, disliked and abandoned by him. In a desperate situation, Ah Jun accidentally discovered the maid's murder plan, and even found out that everything was caused by Su Ruanruan framing her mother. After witnessing the tragedy of his loved ones, Ajun calmly fought back and let the perpetrators be punished. She is determined to become stronger on her own, seek justice for her mother, and live a life of her own.