Modern logistics planner Shen Yanchuan unexpectedly entered an imaginary dynasty that relied on river transportation to maintain national destiny, and became the most inconspicuous clerk in Cangcao, a border county. An urgent report of the deceased stamped with his own seal involved him in a grain conspiracy that would engulf three cities in thirty days. Faced with the tampered ship number, the missing grain book, and the pushback from all parties, he could only use surveying, scheduling, and public accounts to find a way out, and also redefine who was qualified to bet the life and death account for the people.