This is a romantic story of Mary Carstens, who decided while still in high school that she wanted to be a doctor. Mary had lived for many years in an orphanage. Now we see her in medical school, in the sorority house, in the hospital wards as a student and through her internship, graduation in medicine and state board examinations. Mary was in love with young Dr. Peter Kirkland, who after the attack on Pearl Harbor was commissioned a major in the medical corps with the Marines. Fortunately Peter was able to attend Mary's graduation in his uniform before leaving for military duty and they became engaged. Before writing this novel the author visited hospitals, laboratories and classes in medical schools and studied medical records. It has, therefore, some medical background and should interest girls who have an ambition to study medicine.