In 'The Shelters of Stone', Ayla and Jondalar conclude their epic journey across Europe, arriving at the Zelandonii's Ninth Cave. Mesmerized by their advanced culture, Ayla finds kinship in Zelandoni, a healer like herself. As she integrates into this new society, she faces resistance from those who disdain her background and fear her bond with the Clan. Navigating a complex web of social stratification, Ayla must utilize her exceptional skills and intelligence to overcome prejudice, prepare for motherhood, and carve out her place within the destiny of the Zelandonii, poised to make pervasive impacts with her unique spiritual gifts.