Wang Qicong and Li Yaoting are strangers to each other as detectives in the Serious Crime Unit. Cong is carefree and unkempt, while Ting is sharp and conceited. Two police elites with different personalities gathered together due to a case, female police officer Feng BaoBao has temporarily become their superior. This case was initiated by Ken, who and his girlfriend planned to steal a priceless piece of jewelry, and after discussing it, they retired from the martial arts world. But it turned out that the praying mantis was catching cicadas and the yellow sparrow was behindThe treasure they stole was noticed by another group of people. They chased and captured Ken, while their girlfriend escaped with jewelry.