Meng Yao goes into heat while working as Sect Leader Nie’s assistant. Nie Mingjue shares his heat and Meng Yao ends up pregnant. Both believing the other regrets what happened, they end up in a marriage of convenience with all the misunderstandings and lack of proper communication to follow. Then Lan Xichen arrives in the Unclean Realm at the end of Meng Yao’s pregnancy and things get even more complicated.