Luo feng is arrested on suspicion of murder. He begs to be let go, but the captain insists that he must be interrogated. He says that the case needs to be investigated thoroughly, and that everyone must be questioned. He wants to know if all of the men at the police station are unreasonable. The captain tells him that "joe" is wanted for murder in seven countries, and he says that he is a very dangerous person. He tells the captain that he has found no clue about the case, but that he will give him seven days to figure out who hired the killers. He asks if the captain has found any clues, and the captain says he has not yet. He gives the captain seven more days to find out who the killer is, and says that if he does not, he will just leave the scene and go back to his own business. When the captain tells the student that a top killer has just died in his hands, the student says he will kick the captain's ass if the girl gets hurt