997AD When Garrick, son of a Saxon Eorl, leads a tiny band of pilgrims on a dangerous journey across Spain to Santiago de Compostela he is caught up in the political intrigues of the medieval Catholic church and a Moorish invasion. TO save himself he must first save a city, a priceless relic and the woman he loves. 2009AD Alex Tanner, a traumatized ex SAS soldier, seeking redemption on the same journey a thousand years later, discovers a secret that could change the world. Two stories linked by a lost document that will shake the very foundations of Christianity.