It tells a story about medical research. In a "Source Project" laboratory, Qiu Jianing (played by Song Qian) and Zhou Xiaoshan (played by Luo Yunxi) met, but Zhou Xiaoshan's real identity was a broker. His arrival was to take away Qiu Jianing's scientific research results. Jianing's dedication to his career and his sense of justice for the country infected Zhou Xiaoshan. In the end, Jianing and Zhou Xiaoshan completed the research together and brought glory to the country.