1. Identity dilemma: the adaptation and integration of the modern soul and the ancient body.
2. Existential crisis: Zhu Yuanzhang's suspicion and the potential threat to the grandson from the palace undercurrent.
3. Testing of proficiency: How to demonstrate modern knowledge without arousing suspicion.
4. Power game: preliminary trials and confrontations with the eunuchs and clan members in the palace.
5. Trust building: Winning the initial trust of key figures such as Emperor Hongwu and Concubine Lu.
Characters involved: Zhu Yunze (protagonist), Zhu Yuanzhang, Concubine Lu, Zhu Di, Jiang Yu, Fang Xiaoru (first appearance)