The fifth son of the emperor lost his mother when he was four years old. His mother, concubine Zhang, poisoned the prince and was exposed and died of execution.
The prince's body was completely broken, and the five emperor's sons were rushed to the palace together.
Xiaowu didn't believe that his kind-hearted mother would harm others, and the prince didn't believe that Zhang, a lowly person, had any motives for harming him.
While he wanted to return to the palace to find out the truth, he also needed to consolidate his position as crown prince.
It can't be said that they are in love with each other, but they can still be regarded as related by interests. Xiaowu has returned to the palace, but it is the East Palace.
Purpose: Brothers, friends and brothers help each other