The uniformed police officer Zhang Quanzhi (Huang Rihua) accidentally let go of the Qing Dynasty ghost Agui who was pressed under the statue of Emperor Guan, and the king of Hades allowed Agui to temporarily borrow the body of the policeman Mao Yonggui (Luo Qinghao) to do a hundred good deeds before he was reincarnated. In the meantime, there were many misunderstandings between Zhi and his girlfriend Ling Qiaoer (Guan Yonghe), and Zhi was frustrated in love, but he was in love with work, and with the help of Gui, he solved a big case and Ling Qiaoer repaired it. Gui wanted to return to the Qing Dynasty to solve the unfinished business before reincarnation, and returned to the Qing Dynasty through the staggering of time and space, but by mistake, he finally .........