The Tang Clan uses the secret treasure Dongtian Instrument to see into the secrets of heaven, predict the list of villains in advance, and kill them before they do evil, to protect the world peace. But the name of Tang Clan leader Tang Wuyan also appeared on the Dongtian Instrument. Tang Wuyan was forced to flee, and met the kind-hearted thief Chu Chen and his apprentice Xiaomila. With their help, he returned to the Tang Clan, broke the prophecy, and regained control of his own destiny.