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Squadron leader Fu Letian was going to the party school to study. Everyone thought he was going to be promoted. Cheng Tianshun came up with the idea of becoming a leader, but it turned out to be a dream. Cheng Tianshun flourished in poetry in the team, but his lover Liang Yudie came to question him, blaming him for only focusing on work and neglecting his family. Everyone asked him to write a test report for his wife, and Cheng Tianshun asked Niu Xiaogang to write a sincere test report. Evening News reporter Wang Feifei mistakenly took the review as a poem and published it in the Evening News. Liang Yudie saw the newspaper and was moved by her husband's love for her. She rushed to hug her husband tightly. In order to improve the technological content of traffic control work, the policemen in Nangang were researching intelligent cooperating machines. They did not want to annoy Lao Jia, a cooperating machine known as Ping An. He was afraid that he would lose his job and his "aunt" who cooked in the squadron canteen, so he mobilized Ma Pingan, a veteran policeman who also wanted to be cooperating after retirement, to interfere with the research work. Just when the research work was going very well, Lao Jia quietly stole the mannequin that was used as cooperating machine, saying: I want to study acting police. Fan Liben has always asked the police to enforce the law for the people, so he implemented "smile service" in the squadron. This made the veteran policeman Ma Pingan, who had been sullen all his life, ask the police for advice on how to smile but always failed to get the answer. Lao Ma's lover saw him giggling at home every day and thought he was mentally ill. Finally, old