Fu Sheng rescues captive demon Jing Yuan from immortal disciples in Fengming Mountain and takes him in as her disciple. When Immortal Lord Qing Chen comes to the demon realm to rescue the immortal disciples, he finds Demon Queen Fu Sheng resembling Goddess Xi Yun who sacrificed herself a thousand years ago to protect all living beings from the Tribulation of Fire. Immortal Mu Yao sets trap to get rid of Fu Sheng. She threatens Qing Chen who reluctantly agrees to marry her in order to protect the amnesiac Fu Sheng. Mu Yao sets another trap. Jin Yuan reveals his true supreme form to save Fu Sheng from her thunder tribulation. Both then get absorbed into the seal and reincarnate in the mortal world. Will Fu Sheng and Jing Yuan recognise each other in the mortal world? Can they survive this tribulation...
