He transmigrates to the Ming dynasty to farm, but people keep interrupting him. First Liu Bowen shows up, then Zhu Yuanzhang, and Tang He is always dropping by for a meal! The court turns to him to discuss matters both great and small. A princess admires him, and princes are willing to bow and become his students.
He can only rely on his passable knowledge of history and modern technology to handle it all, one problem at a time!