Magic exists beneath our feet, if we only know where to look …

Growing up in a New York orphanage, Ayla has no idea who her family is. It is not until she comes to Ireland that she finds out just how deep her roots really are.

Then her past rises up to haunt her and seeks to destroy her as Ayla is abducted and buried alive in the bowels of the earth.

Above ground, her three best friends set out to find and save her from a fate that has been lying in wait for centuries. Guided by Ayla's uncles, they must make a treacherous journey that takes them down among the very roots of time.