Modern youth Zhang Jiao was originally just an ordinary rice merchant, but due to an accident, he gained the marvelous opportunity to travel back and forth between modern times and the late Eastern Han dynasty. Relying on modern food resources, Zhang Jiao started a grain business in the troubled times. Wanting just to make a little money, he mistakenly helped countless commoners and was even revered as the "Rice Immortal." Facing the sudden change in identity, Zhang Jiao was both amused and exasperated. Clearly just wanting to sell rice in peace, he stepped by step got dragged into the winds and clouds of the late Han. A bag of rice, an adventure, a troubled-times legend of an ordinary rice merchant, unfolds right here.