Wang Zhengyu once a adopted son of Jailer of afterlife prison Huang Pengxi rise as the Jailer of afterlife prison after facing many hurdles. But soon he get to know about his long lost mother who abandoned him just after his birth. He wants to ask her mother about himself In his journey he met the great demon general Song Tianming who reincarnates in the body of his guard Shen Hongxi. his life turns upside down when he time travel in the past in the era of Great demon king Jiang Hui Fen with Song Tianming,his childhood friend Yan Yijian his guard Shen Hangsu and becomes the subordinate and study partner of crown prince of demon realm for protecting him in the imperial academy. Once the powerful jailer was now become a mere subordinates but slowly slowly all the secrets come out . Will Wang Zhengyu get to know about the secret of his birth?? Will he able to find his mother??? Many hurdles are waiting ahead of him?? What will happen to him??