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 Woo-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?