Until the seventh day, a dove flew in from the north. He took a tube from the dove's leg, unfolded the letter, and smiled.,The next morning, news spread from under the city walls of Biancheng: The army from Beiming had retreated. People in the city cheered and poured out onto the streets from their homes. For a long time, smiles hadn't been seen, but now, they shone brightly in their eyes.,"Zi Mo, let's pay back what we owe him, together. In this life or the next."。