Senior Interpol Wang Zhiyi (Alec Su is acted the role of), the efficiency of handling a case is extremely poor, the matchmaking photo of marriage introduction is more serious than that of the suspect, the premonition of dangerous tasks is strange and accurate, and he can always have diarrhea at the right time to avoid the alarm. But this time, Zhiyi, who has always been ignored by the officer, was suddenly assigned a super task ── to monitor the new colleague Gao Yiping (Lin Yichen) who just graduated from the police academy. It turned out that Gao Yiping was the daughter of the police commissioner. The commissioner said that she could not move her daughter to give up becoming a policeman, so she had to carefully choose her daughter's partner. After consideration, Zhiyi, who is good at evading tasks and seeking security, is the best candidate! From the first day of their partners, the two were deliberately assigned by their superiors to deal with leisure work. Zhiyi was happy, but Yiping's enthusiasm was poured a lot of cold water. Yiping was full of blood and ran into Zhiyi's fooling around, and the two quarreled all day long and became irreconcilable friends. However, in the process of investigating the accidental death of a community dog, they accidentally found out the whereabouts of the wanted drug dealer papyrus (played by Wu Zhongtian) and were involved in a series of murders. The first time she encountered a thorny case, Yiping excitedly wanted to find out the murderer and prove herself, but Zhiyi only wanted to pull Yiping out of danger.