Hirondell is the only city on the planet that survived the end of the world. Leo Attal's life changes dramatically. Thanks to a mysterious gift that is inherited, he becomes the head of the family. A mafia clan takes up arms against him, and Leo is forced to look for allies to win the war that has broken out. Meanwhile, the Church is increasingly influencing the Empire, intending to seize power over the city. In this nightmare, Leo sees only one ray of salvation - Anna Sorel, the woman he has been looking for all his life. To become worthy of his beloved, he will have to resort to deception and enter into a race with death. The main thing in this chaos is not to miss the flight of swallows...