Lin Zhou, a graduate student in the Department of History, was transformed into a dying postman in the late Tang Dynasty, trapped in a hell on earth where people died of hunger and death. In desperation, he discovered that he could activate a modern live broadcast system. While the Jiedu envoys were still fighting over a few carts of grain and grass, in Lin Zhou's live broadcast room, the veterans used rockets to airdrop the first box of compressed biscuits and a "Barefoot Doctor's Manual" for him...
