Rick (Leslie Cheung is acted the role of) is a top shooter, since the first time to participate in the IPSC actual shooting competition, has won several championships, Rick's specialty is double tap, that is, in the shortest possible time to shoot two shots, bullet holes in the same point. Rick is also an expert in improving guns, and after his improvement, the performance of the gun can be at its highest point. Miao Zhishun inspector (Fang Zhongxin is acted the role of) is also a good shooter, this time, the two show their skills in the IPSC competition, neck and neck. In the play-off, a police officer who failed to invest in the stock market suddenly went insane and threatened the crowd with a gun. at a critical juncture, Rick shot him decisively. Shooting others has brought a serious psychological burden to Rick. Symptoms such as sleeplessness, headaches, and even hallucinations make him restless to sleep and eat. What is even more frightening is that the demon has already been produced, and he has gained unparalleled pleasure from the death of others. No matter how hard he tries to get rid of it, it still seems to be in vain.