With his uncle, the old troubadour Urfold, and his sister the beautiful Sleïlo, Darko is a fugitive hunted by the Forces of Light... Yet, it is in the very heart of the territories under the cup of the priests of Light that Darko will attempt to stomp the grimoire of his ancestor, Cohars the Heretics. He must manage to enter the fabulous library of Le Havre. Only the knowledge contained in the old grimoire will allow him to overthrow the terrible dictatorship that the priests impose on the five kingdoms...