Someone was hit by broken glass that suddenly fell from the sky while driving through a block, and was killed on the spot. The police arrived in time and classified the case as an accident. In fact, the accident was a false illusion created by the criminal gang. The leader of the gang, Da Nao (played by Louis Koo), together with the woman (played by Michelle Ye), the fat man (played by Lam Suet) and the drug-addicted old man (played by Fung Sui-fan), often teamed up to commit accidental murders. The means they adopted were mostly electric shocks, lightning strikes, car accidents, and the fall of hanging objects. In the crime, Da Nao was responsible for the overall command, the woman assisted as bait, and the fat man and the drug-addicted old man acted as a cover. In the previous case, the mistake caused by the drug-addicted old man almost caused the operation to fail, so Da Nao was furious, fearing that he would be destroyed if he made a mistake. Later, in the gentle place of his wife (played by Mo Xiaoqi), Da Nao's nervous nerves were able to calm down. However, the latter rainy night murder plan still encountered unprecedented difficulties. The appearance of a mysterious figure Chen Fangzhou (played by Richie Jen) changed the fate of this group...