Cha Young Min is a genius doctor, with excelling skills at surgery, but he is arrogant and selfish. One day, he gets involved in an unexpected case, and due to this, his spirit possesses another doctor’s body, namely Seong Tak. These two doctors are complete opposites, with opposite personalities and medical abilities. While Young Min is arrogant and cold-blooded, who only cares about his career, and doesn’t care about any of his