In order to save the country from flying demons, every five years the girl Finestra, gifted by the gods, the new ruler, must marry Fonte, a partner with magic. By joining forces and doubling the magic, this sacred union will preserve peace on earth. But Alessa, who recently became Finestra, is cursed: her touch kills. Three times she became a widow, killing all her Fonte. The day is about to come when an army of demons will plunge the girl’s country into eternal darkness. The people are dissatisfied and no longer believe Alessa. When a street priest convinces everyone that killing the current Finestra is the only way out, a riot breaks out. Desperate, Alessa no longer believes that she will survive. But a chance meeting with Dante, a rogue killer with a mark on his body, gives her hope. He can become her new protector, bodyguard. However, the girl does not yet suspect that Dante is ready to commit the most terrible betrayal. Only he has the key to saving Alessa and to her heart. And only he can help the girl with her gift. Or destroy it...