Lu Li, the crown prince of Northern Liang, had a mental disorder when he was young. After going to the mountains to practice medicine, he not only recovered from his illness, but also acquired powerful martial arts. While practicing, he was shocked to hear that his father had passed away, so he had to pretend to be stupid and go down the mountain to attend the funeral. In the mourning hall, some people took the opportunity to break off the engagement, colluded with the generals to seize the throne, and their relatives and sweethearts were put into danger one after another. At the critical moment, Lu Li showed his strength and quelled the civil strife. Later, he resolved the war between the two countries, but was attacked by the Demon Lord and his crowd. Lu Li integrated his previous life cultivation to fight hard and successfully slayed the demon. Finally, he chose to stay in the world to stay with his lover and protect the peace of the world.
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