At midnight, the Chief Constable of the Ministry of Justice, Bai Mochen, who was patrolling near the Prince's Mansion, suddenly saw a thief carrying a box escaping from the mansion and chased after him. Bai Mochen had a fight with the thief, and during the process, Bai MoChen shaved off a strand of the thief's hair, and the thief fled in a hurry, losing a treasure bottle. Bai Mochen knocked on the door of the Xin Wang Mansion to inquire about the situation, but was ridiculed by the Wang Mansion's General Manager Huang. Bai Mochen returned dejected. The next day the emperorSuddenly, it was pointed out that three days later, Prince Xin would bring Mu Yuan to the audience. Prince Xin came to the warehouse to inspect and found that Mu Yuan was lost. He urgently called for Bai Mochen and Yang Yuanzhun to investigate. If they cannot be found, there may be disaster.