Rose Campbell, a lonely and sickly girl who has been recently orphaned and must now reside with her maiden great aunts, the matriarchs of her wealthy Boston family. When Rose's guardian, Uncle Alec, returns from abroad, he takes over her care. Through his unorthodox theories about child-rearing, she becomes happier and healthier while finding her place in her family of seven boy cousins and numerous aunts and uncles.