Miss Susie Slagle's has opened her large home as a boarding house for medical students in Baltimore. The young men are encouraged by the compassionate Miss Susie as each struggles with the pressures of becoming doctors. One of her student boarders contracts diphtheria and dies, his loving fiancée, a student nurse bravely puts her grief aside to fulfill their dream of helping the poor in China. Finally the school year ends and Miss Susie wishes each of her boarders good success as she prepares once more to welcome a new group of eager young students.