Xihua Medical College ushered in the internship period for students. Although each of them had their own little tricks, Zhao Chong (played by Du Jiang), who was at the bottom of the class and was not doing his job properly, Ai Xiaotian (played by Zhang Jianing), who often fell on the road of broken love, and Zou Yimeng (played by Zhou Fang), a cautious and focused eight-year doctoral student, were assigned to the emergency room, which is known as the forefront of medical care. In front of them are Cheng Jun (played by Ren Zhong), Ouyang Yulu (played by Zhang Li), Wang Bo (played by Wang Yang) and other predecessors with rich clinical experience. Faced with patients sent to the emergency room due to various diseases and emergencies, these elites showed their excellent first aid methods and raced against time with death to save lives. In the process, wonderful friendship and love flowers also bloomed quietly. Cheng Jun has always liked Ouyang. With the strong competitor Shen Qingchuan (played by Zhang Duo) joining the emergency room, the wrestling between the two of them has become more intense. Young medical workers running at the forefront of medical care, they add luster to this sacred profession with their own hard work...