"The key to a successful operation lies in Seongil Seoul Hospital itself." Yoo Jinwon, a specialist in surgical operations, receives a request to perform a secret surgery from Seong Wooje, the chairman of South Korea's largest corporation, the Seongil Group. At long last, the opportunity for revenge has arrived! Can Yoo Jinwon not only conquer Seongil Seoul Hospital but also seize control of the entire Seongil Group with just a scalpel? Let the battle no one thought possible begin.