Qin Yao, a disciple of the immortal sect, was seriously injured and fainted during a mission. When he woke up, he found that he was mistaken for a disciple of the demonic sect and was rescued. In order to survive, Qin Yao had to disguise himself as a demonic disciple and quietly seek a way to escape back to the immortal sect. However, it won't be that easy to blend in with the demonic sect!