Third –year medical student Nancy Vincent is one capable, intelligent, self-confident, take-charge Wonder Woman. Her Sherlockian diagnostic skills made it possible for her to save a patient in serious trouble from tetanus, also called lockjaw. Nancy had been a Peace Corps volunteer in Bolivia and wants to be come as good a doctor as her father. She impresses her fellow students, her trainers, and her instructors, especially Dr. Arthur Loring, her mentor who in due time will become much more to her.