In the last years of Chongzhen, the world will fall. The mysterious swordsman Shen Yan was involved in the Caoyin mystery because of half a piece of blood money, and went upstream with the fallen Jin Yiwei, the demon girl of Yanyu Tower, the boat girl and the cold-faced medical girl. Shipwrecked children's bones, grain chaos in Suzhou, ghost markets in Qingjiang, and the Yellow River bursting its banks came one after another. When the life-saving food falls into the hands of the Black Dragon Society, which regards human life as a number, he must choose between saving one person and saving the world.
