Ewilan has his quest. Ellana, his prophecy. It has been a week since Ellana joined the caravan led by Hurj Ingan as a scout. Between them there has been a real relationship of trust and friendship, if not more. But as they depart for a time from their bivouac place, they find their companions dead, poisoned by mercenaries of the chaos who took advantage of it to steal the spheres graphs. As they go to their pursuit, the marchombre and the young warrior thül are getting even closer. Will Ellana be able to continue on the path of the Marchombres and remain faithful to his destiny despite what his heart dictates to him?