In the thirteenth year of Kangxi, Wu Sangui rebelled in Yunnan, and Emperor Kangxi decided to fight in person. The Qing Dynasty was facing a huge crisis due to internal and external troubles. Thirty years later, Kangxi took good care of the crown prince, and the crown prince also wanted to become an excellent person like Huang Ama Kangxi. Among Kangxi's many heirs, each has its own specialties. The elder brother is ambitious and has been keeping a close eye on Kangxi's throne in private. The fourth elder brother and eighth elder brother are secretly supported by someone behind them, and they are also afraid of the throne. The crown prince, although they both had the same blood on their bodies, they always hated each other and killed each other. In a fierce struggle, a misunderstanding occurred between Kangxi and his own crown prince. Kangxi abolished the position of prince, and other princes saw this and wanted to compete for the position. Kangxi established the crown prince for the second time. Abolished again... In the end, Ruyu became a monk, the second prince gave up the battle for the throne, the eighth prince was crowned, lived with his wife, and the concubine De committed suicide