In order to fight against criminality and achieve his dream of becoming a police officer. The young Liu Zi Ming joined the Criminal Investigation Detachment of the Criminal Security Bureau with enthusiasm. But, the tedious and uninteresting investigation work bored him. However, under the guidance of his superior, he gradually corrected his attitude and teamed up with his colleague to solve cases.As he got experienced and excelled in his job, Liu Zi Ming had a good understanding of the duality of the human nature.Now a Captain, he truly realizes the huge responsibilty of a criminal officer. This, thanks to the unreserved guidance of his superior, the trust of hisbrothers in arms and the changes in his family and marriage. Being a police officer, he is honored to ensure social stability...(Source: Chinese = Baidu || Translation = Unbeliebubble at MDL)~~ Adapted from the novel "Yi Ge Xing Jing De Ri Zi" (一个刑警的日子) by Lan Yi (蓝衣).