After transmigrating into a refugee wandering through the Qin dynasty, Xia Ren has only half a hard biscuit to his name from the start. He decides to improve people’s lives: build heated brick beds, grow winter wheat, and crunch the numbers. Before he knows it, he has caught the attention of the First Emperor of Qin and embarked on a one-way journey to “make life a little better for the people of Qin.”