The Secret of Kells The aged guilt-ridden Cellach is nearing death. Brendan and the abbot happily reunite, and Brendan displays the complete Book of Kells to his uncle. The film closes with an animation rendition of some of the illuminated pages of the book. The film is based on the story of the origin of the Book of Kells, an illuminated manuscript Gospel book in Latin, containing the four Gospels of the New Testament located in Dublin, Ireland. It also draws upon Celtic mythology; examples include its inclusion of Crom Cruach, a pre-Christian Irish deity and the reference to the poetic genre of Aislings,
Abbey of Kells in the "Annals of Ulster" is generally believed to refer the theft of the Book of Kells and it relates that the manuscript was returned after two months without its cover. The force of the removal of the cover probably explains the missing illustrations at the beginning and end of the book. The book was stored in the abbey for the remainder of the Middle Ages. In the 12th century, details of land charters for the abbey were copied onto blank pages of the Book of Kells as was common practice for the period. This is the earliest confirmed reference