Jonah Yoon (Eric Nam) is a driven surgical resident determined to become a top surgeon, but his ambition pushes him to dangerous extremes. Under the tutelage of renowned heart transplant surgeon Dr. Edward Harmon (Bill Camp), Jonah learns that success comes at a price: absolute loyalty and subservience. When his mother’s (Michelle Okkyung Lee) health deteriorates, Jonah must choose between his duty as a son and the career his family sacrificed to help him achieve.