Kiyotoshi Saeki (Sayou Uchino) became the president of the Tojo University School of Medicine Hospital and promoted the construction of a new hospital specializing in cardiac surgery.His next goal is the position of president of the All Japan Medical Association.

Cardiovascular surgeon Sera Masashi (Takeuchi Ryoma) received a letter from Saeki, asking him to join the Australian Society and visit Dr. Yukihiko Amagi, who works at the Gold Coast Heart Center.

Sera traveled to Australia with her senior doctor Yuji Gakitani (Haruka Uchimura) and found an unconscious teenager on the beach on the Gold Coast. Sera decided to give him first aid.Kakitani felt powerless against the boy who could not regain consciousness. At this time, a mysterious man appeared.With his advice, the boy saved his life.

Afterwards, Sera and others attended the academy, but never saw Amagi again...

When they were discouraged, they met Park So-hyun (Cui Ji-woo) and his son Min-jae (Kim Moo-joon) who came to Australia specifically to find Tiancheng.

Soon, they learned that Amagi was at the racetrack. Sera, Gakitani, and Toshizai went there together, and a man who looked exactly like Seishiro Tokai who left Tojo University 6 years ago appeared.

He is called a devil in the medical community, and the world-class genius surgeon Yukihiko Amagi (Kazuya Ninomiya)...