England, 12th century: Philip the monk becomes Prior of the small abbey of Kingsbridge. At the same time, a boy called Jack is raised by his outlawed mother in the woods. His apprenticeship as a stonemason paves his way to become a great architect. Soon, his steps lead him to Kingsbridge where he will build one of the greatest cathedrals England has ever seen. Aliena and Richard have to survive on their own, after the sibling's father, the Earl of Shiring, has been incarcerated and murdered. Aliena vows to make her brother the rightful heir and Earl of Shiring. Like Jack, their way leads them to Kingsbridge. Aliena puts her expertise as a tradeswoman to good use, supporting the cathedral's construction and falls in love with Jack. But Kingsbridge and its people are in grave danger. Philip'