As a result of his travels, Jack has learned how to fulfill Tom Builder’s dream of a cathedral filled with light. Aliena tracks Jack by following the trail of his carvings. Waleran offers Philip a new position but it means that Philip must always obey Waleran. Kingsbridge becomes prosperous again, infuriating Regan and William, who plan an attack meeting resistance from Richard, Jack and Philip. NOTE: Ken Follett has a cameo role in this episode as the merchant who tells Jack the story of his father's sailing.