Liu Zi Guang gets a job working at a bar. The owner, Huang Zhen Wu, turns out to be a narcotics police officer and wants Liu Zi Guang to work for him and give him intel. Liu Zi Guang gets the intel, but then he is suspected of leaking the information to the police. Nie Wan Feng makes Liu Zi Guang kill the police officer. (Source: jindreame at MyDramaList)