Xie Wei's spirit-leaving syndrome is related to his childhood experience. When King Pingnan rebelled, the Queen Mother threatened Xie Wei to die in place of the prince, which caused him to experience cruel things, become afraid of cats and cold, and finally suffered from spirit-leaving syndrome.Psychosis is a psychological disorder in which patients experience symptoms such as split personality, memory loss, and confusion after suffering extreme mental stress or trauma.Xie Wei's psychosis will attack when he encounters a crisis or stimulus, causing him to become crazy, violent, and uncontrollable.

Xie Wei's true identity is the crown prince Xue Dingfei. This is the second secret about him and the second secret discovered by Jiang Xuening.Xue Dingfei is the eldest son of Duke Dingguo. He is a cousin of Emperor Shen Lang and a biological brother and sister of the imperial concubine Xue Shu.Xue Dingfei was originally a gentle and talented prince, but when King Pingnan rebelled, he was pushed by the Queen Mother to replace the prince and died, which made him develop a deep hatred for the royal family and the Queen Mother.Before he died, he was saved by Xie Wei. Xie Wei was a spy planted by King Pingnan to the emperor. The two had a common goal, so Xie Wei asked Xue Dingfei to fake his death, change his name and become his emperor's disciple.

Xie Wei is a spy placed by King Pingnan next to the emperor. This is his third secret and the most deadly secret.King Pingnan is the emperor's uncle and Xie Wei's master. He has been secretly plotting to usurp the throne.Xie Wei was his confidant and his weapon. He made Xie Wei the emperor's imperial advisor, controlling the emperor's confidants and the emperor's military power.Xie Wei has been working for King Pingnan, helping him win people's hearts, arrange assassinations, create chaos, and wait for the opportunity.Xie Wei's goal was to kill the emperor, win the kingdom for King Pingnan, and avenge himself.