For more than four years, there has been a fierce war between the children of Vine and the children of Stone and Iron. The Alves, led by Queen Mab, retreated, releasing all the prisoners... Half-blood Eyo is determined to get to the Pass. But in a small town, she saves Auden in passing - an unfortunate fighting dog who spent almost the entire war in captivity with Queen Mab. Weakened and practically blind. And the cruel Mab let him go on the lands of the children of the Vine, actually giving the crowd to be torn apart... Alva the half-breed and the subordinate of the Steel King will henceforth keep the path together, saving and supporting each other. How will their journey end? And will Eio and Auden manage to confront the feelings that will surely make them outcasts in a world where alves and dogs hate each other?