Park Soo Bong, who is like a father figure to Jae Geol, is found collapsed on the floor. Although it's a simple surgery, Soo Bong is not able to go under anesthesia. Eun Jae wants to proceed with the surgery, but Hyun is hesitant. Jae Geol suggests they use acupuncture on Soo Bong. The three doctors successfully perform the surgery. Meanwhile, in order to pay back the debt her father left, Eun Jae works day and night.