The stage of this story takes place at the Customs Immigration Department. As the chief immigration assistant of the Immigration Department, Fang Junjie (played by Guo Jinan) has always been content with the status quo because he had conflicts with his boss Mai Qiming (played by Jiang Dawei) and no longer had hope for appreciation. He married Zhang Simin (played by Yao Jiani), a mainland woman he met in Shenzhen, and finally waited for the application to be successful. Junjie, who thought he could reunite with his family, had many conflicts because of his sister-in-law's exclusion of his wife. Junjie, who was troubled by housework, received even worse news that his wife had committed a crime in Hong Kong many years ago, which made Junjie, who had a strong sense of justice, unacceptable. During the process of his wife's departure, Junjie's friend Ye Anqi (played by Meng Jiahui) took good care of him, and in the meantime, Junjie's feelings for Anqi grew. Later, Junjie met Ou Shunfeng (played by Deng Jianhong), the immigration director of the Port Control Group. From misunderstanding to resolving suspicion, the two quickly became friends. And Junjie also ushered in a turning point in his career...