Su Ruanruan, a young disciple of the righteous path, accidentally broke into the Demon Lord's palace during the battle to encircle and suppress the Demon Lord, and was abducted by the Demon Lord Ye Chen to be the "Mrs. Yazhai". Ye Chen may seem cold, but he always silently cleans up the mess when Su Ruanruan gets into trouble, and also finds the scarce training resources for her. Su Ruanruan gradually discovered that the Demon Lord was slandered by the Righteous Way, and what he really wanted to protect were the "remnants of the Demon Race" who were abandoned by the Righteous Way. When the right way encircles and suppresses them again, Su Ruanruan chooses to stand beside Ye Chen