Zhang Xiaomei, the commander of Beiyisi, has no intention of getting married because of the tragic love in his dream. He pretends to be the young master of Zhang Mansion in Jiangzhou and spreads the rumor that the lost thousand-year-old blood coral is in his hands, and is determined to steal it. Retired spy Zhou Qingzhu can't pay the rent and the clinic is about to be taken away. In order to save the clinic and return to the underworld, he took on the plan to steal the blood coral. Zhou Qingzhu lurks beside Zhang Xiaomei. In fact, the meeting between Qingmei and Zhang Xiaomei was all designed by Concubine Zhang. She knows the origin of their previous love, and she is trapped in the deep palace and only hopes to bring them together.