云盛皇朝妖魅作乱,皇帝临终将盛宁公主下嫁伏龙大将军白奕。白奕入住公主府,要与公主而寝,公主向太后请求悔婚遭拒绝。经太医检验,皇帝死于急速衰老,白奕从中看出端倪。表姐别矜色诱白奕自讨没趣,白奕专心调查皇帝死因。公主与瑞王私奔被白奕守个正着,于是以自尽威胁白奕搬出卧房。公主被妖帮刺伤,关键时刻白奕赶到杀死刺客首领解救公主,两人关系缓和。回府后公主发现自己对白奕芳心暗许,便主动请将军上榻,白奕受到挑逗但最终避开。尾火虎挟持公主,众人发现别矜竟是杀死皇帝的心月狐。混战中,降妖师钟知杨赶到收服别矜,白奕杀死尾火虎却死在公主怀中。公主抱着白奕的骨灰轻生,不想被一少侠救下,对方正是白奕从小失联的弟弟。Demons began to incite troubles in the Yunsheng Dynasty. On his deathbed, the emperor ordered Princess Shengning would marry condescendingly Fulong General Bai Yi. Later, the princess asked to call off the engagement, but failed. The princess tried to elope with Prince Rui, but was caught by Bai Yi. She then threatened to commit suicide to force Bai Yi to move out of her bedroom. After being rescued by Bai Yi from the hands of the demons, the princess found herself in love with him, and took the initiative to ask the general to lie on her bed, but was rejected. In order to save the princess from the Tail Fire Tiger, Bai Yi finally lost his life. Holding his ashes, the princess was ready to end her own life.