The third son of the emperor, his mother-in-law was born in a humble background and died of illness early. He had no roots in the court and grew up ostracized by his brothers and in the cold eyes of his father. Three days ago, his eldest brother, Xiao Jingyan, the current prince, threw him directly into the death row in the deepest part of this royal prison on the charge of "colluding with foreign ministers and plotting evil".