Yu Wentian, a doctoral student in design, wakes up one day as one of Zhu Yuanzhang's adopted sons.
To avoid arousing Zhu Yuanzhang's suspicion, he decisively resigns and returns to his hometown, only to find it suffering from a severe drought.
The previous county magistrate has embezzled the government grain and disappeared, so Yu Wentian boldly impersonates him and leads the villagers in fighting the drought...
But his series of measures soon draws the attention of a mysterious organization. As attempts are made on his life, he uncovers a secret that has endured for a thousand years.
