It tells the story that Tan Yan, deputy section chief of the Propaganda Section of the Luteng Public Security Bureau, is about to take up the position of instructor of the special police team. However, Tan Yan, who has worked in the bureau for a long time, has difficulty cooperating with Liao Bufan, the captain of the special police team who is deeply rooted in the grassroots level. But as time went by, the two men's thoughts gradually became unified, and the special police team became better and better under their management. In a case of cooperating with the anti-drug team, Tan Yan also became the hero in killing the suspect. But Tan Yan unexpectedly discovered that there was someone else who had the "hero". In the end, Tan Yan laid down his "honor" and reported the real situation to the leaders of the Municipal Public Security Bureau. In the "Hidden Front" plan deployed by his superiors, he successfully completed the task without dishonoring his mission.