One night, the criminal police team's ace detective was assigned by the director to handle a small case that did not involve human life - the stunning wife of the chairman of a large consortium that controlled the city's economic lifeline was raped by an unknown gangster in her parents' home. The investigation of the case revealed the truth bit by bit: the seemingly loving chairman and his wife had actually been in the same bed for a long time. Their marriage was simply a transaction, and the purpose of this transaction was suspected to be to cover up a huge case before the Chinese New Year. Just as the detective was getting closer to the truth, he was ordered by his boss to stop the investigation. The jealous detective continued the investigation privately with the help of his subordinates, and things became even more confusing...