Lu Wenxing is a policeman and Xu Yiping is a bad guy, but Lu Wenxing just can't catch Xu Yiping. In Lu Wenxing's eyes, the relationship between him and Xu Yiping is like cat and mouse. He is the cat and Xu Yiping is the mouse. In Xu Yiping's eyes, his relationship with Lu Wenxing is that of a big bad wolf and a little white rabbit. He is the big bad wolf and Lu Wenxing is the little white rabbit.
Intention: Crime comes from impulse, but escape from crime does not. A battle of wits and courage with highly intelligent criminals.