The heroine Feng Ruoyao is a phoenix who rules the demon world. She falls in love with the immortal Mo Chenyuan at first sight and takes him back to the demon world to get married. In fact, the Immortal Lord Mo Chenyuan has always had a good impression of Feng Ruoyao, and because he was seriously injured by his half-brother, he was captured by her and went to the Demon Realm to recuperate. The two seem to be happy enemies, but in fact they run in both directions. No matter what obstacles they encounter, they always treat each other with sincerity.