2. Cheng Jun saw the hard work of his parents as doctors since he was a child, but Cheng Jun, who loves medicine, naturally chose to become an emergency doctor. Doctors are under great pressure, but Cheng Jun of Lotte can still find happiness. The grandmother who raised her was suddenly diagnosed with advanced liver cancer. Cheng Jun was in great pain, but as a doctor, she could not save her life. Cheng Jun likes Ouyang Youlu, a doctor in the same department. Shen Qingchuan, a brother who returned from studying in the United States, joined the Department of Cardiology of Xihua Hospital and launched a strong attack on Ouyang. With the participation of Shen Qingchuan, Ouyang and Cheng Jun both fell into the whirlpool of feelings. The three interns newly assigned to the emergency department also brought a lot of trouble to the emergency room and added a lot of stories to the group. Cheng Jun and the emergency room, a small group, overcame many difficulties, constantly explored themselves in the process of treating patients, honed medical ethics, persisted in exploring and guarding on the road of career, and found the meaning of guarding life in the emergency room.