The seventeenth emperor's grandson, the son of King Liang.Li Ni has a cold and steady personality and a righteous heart.Although he is the grandson of the emperor, he has not been loved by his father since he was a child.Uninterested in fighting for power, he hid his identity and just wanted to be a carefree border general. However, due to changes in the court, he was forced to go out to quell the rebellion.When he led the Zhenxi Army all the way to the capital, he met Cui Lin, the only daughter of the general who hid his true identity. They met each other and fell in love with each other in several battles.