Teacher Kim used to be alone in protecting Doldam Hospital, but now he's not alone anymore. With the mindset that he'll did anything if it gives money, there is Seo U-jin who has been reborn as a doctor who truly knows how to care for patients. There is Cha Eun-jae, who no longer runs out of the operating room due to anxiety. Teacher Kim, who has dreamed of build a regional trauma center with his students and colleagues. Finally, a regional trauma center built at Doldam Hospital. A perfect trauma center with a clean exterior and state-of-the-art facilities but it couldn't open properly. The regional trauma center faces a precarious fate... Will Teacher Kim be able to establish the regional trauma center at Doldam Hospital which was his long-cherished desire?