Northern Song Dynasty Bianjing's supernatural catcher Shen Shi Wu, a highly trained constable with a cold appearance, not only looks handsome but is also a technical and technology nerd. He is deeply interested in technology and has a large number of fans. Like a god, he has contributed to the maintenance of the social order in Bianjing, but the most troublesome thing for him is the street gangster Liu Xing Yu, a cheat and master in seducing girls. Constable Shen is engaged to talented artist Wang Shi Shi but falls in love with her alternate identity Yue'er. At the same time, delinquent Liu also falls for Wang. Despite the complications, they work together to fight against evil forces and solve all kinds of strange cases in the area.