Xiao Zhenbei, the great general of Wuwei in Shazhou, has defended the city for three years, but his ammunition and food supplies have run out. Unexpectedly, he travels through a latrine to the resource-rich twenty-first century. Determined to make sure the people of his city have enough to eat and drink, Xiao Zhenbei begins his working life. Carrying furniture upstairs? He can carry it all the way to the fifth floor in one breath without breaking a sweat. Modeling? He'll do it for money, as long as nobody gets handsy. What, even becoming a coach is an option? Before long, Xiao Zhenbei looks at the weapons and supplies he has earned through odd jobs and declares, 'Cavalry? Those are exactly who I fight!'