Zheng Tomorrow is a professional killer, but as a killer, he has his own principle, which is to only kill those who he thinks deserve to be killed, that is, the kind of bad people with sins. One of his killer brothers, Li Muran, also has the same principles as him, but the only difference between them is that the former likes to pick up girls, or rejects all women. When Zheng Mingming encounters problems on the road to murder, the first thing he thinks of is Li Muran. In the end, his brother dies because of him...
