The main character of this drama, Lao Li, is a police chief in a grassroots police force. Ayong, a member of the masses, has dreamed of becoming a soldier since he was a child. He was caught by Lao Li for going astray and getting addicted to drugs. After being taught and repented by Lao Li, he got on the right track and established a deep brotherhood with Lao Li. Ayong became a public security activist and used his social connections to report drug-related clues to Lao Li and maintain social order, fully embodying the integrity and loyalty of the profession of people's police, exchanging sincerity for sincerity and correcting oneself before correcting others.