After a swimmer is sent to the ER, Kang Hoon ends up having to perform brain surgery with minimal assistance. Because of Kang Hoon's successful operation, he has the opportunity to meet someone who can catapult him to the top of the medical field.
After Kang Hoon's patient takes a turn for the worst, he is unable to prove his innocence in the matter. Ji Hye struggles to help someone that she knows, but Professor Kim is able to get her to assist him.
To his surprise, Joon Suk finds Ji Hye and Kang Hoon in the room together. Kang Hoon later receives a phone call from his mother, but is troubled when she reveals her decision not to look for work near the hospital.
Kang Hoon performs a very risky procedure but is able to complete it successfully. The patient's family lets Professor Kim know that they requested a change in doctors, but he had no problem with their decision.
Joon Suk has been appointed to be the assistant professor and quickly begins attending to his new duties. However, Kang Hoon is angry about losing to him and decides to seek revenge.
Ji Hye finds herself in conflict with a patient's daughter when she wants to redo the patient's blood-work. After suffering a slight wound, Ji Hye feels compelled to profess her love for Kang Hoon.
When Soo Im loses consciousness, Kang Hoon urges Sang Chul to perform surgery on her. Kang Hoon's attempts to save his mother are revealed to the ethics committee by an unknown source.
Kang Hoon forgets about his dinner date with Ji Hye and decides to perform surgery. When Ji Hye calls his phone, Yoo Jin tells her that he made plans to work in the hospital.
Upon Kang Hoon's return to Cheonha University Hospital, he delivers an amazing opening address. However, he soon finds himself at odds with Ji Hye over her ability to perform the cerebrospinal fluid drainage surgery.
Sang Chul's tumor is dangerously close to the optic nerve, so Kang Hoon decides to wake him up for the procedure. Ji Hye falls ill during their research, but Kang Hool comes home to be by her side.
Ji Hye serves as an assistant during Sang Chul's lecture to the medical students. She grows worried when she finds out the truth about his vision, but she's not the only one who knows his secret.