In the year 1095, Pope Urban II declared war on the infidel. Kings, princes, and lords throughout Europe took up the cross and joined the Crusade. It was Murdo Ranulfson's duty to guard his family's interests, while his father and brothers fought to win Jerusalem. But, when a greedy king and corrupt clergy charged with the protection of Orkney become its worst enemies, Murdo must undertake the pilgrimage himself. Driven to the sea, Murdo follows the Crusades in the hope of finding his father and redeeming his family's land. His epic journey leads him to the heart of the civilized world, the Mediterranean, where the Emperor Alexius struggles to fend off the barbarian hordes that would rend Christendom and engulf the world in darkness. Murdo's quest carries him to the fabled city of Constantinople and beyond to the Holy Land, guarded by the sword points of the Saracens. Amidst unimaginable brutality and ambition, he finds the man he seeks. begins an epic trilogy of a noble Scottish family fighting for its existence and its faith during the age of the Great Crusades - and of a secret society, whose hidden ceremonies will shape history for a thousand years.