Baek Chan-Mi was a legendary black agent for the NIS, but, due to her excessive work, her subordinate died and she missed catching her intended target. Baek Chan-Mi was punished…

Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.

People commit variety of ugly crimes these days. However, they forgive themselves by giving testimony every week. They believe that they can repent just by having faith. But the truth…