In the ancient and mysterious continent, the young emperor Xiao Yixuan went to Qingyun Sect to meet the head master Ye Lan in order to solve the country's internal and external troubles. Ye Lan is dressed in white clothes, comes out of the dust coldly, has advanced cultivation to the realm of god transformation, but is a sinister boss. When they first met, he coldly refused Xiao Yixuan's request, which made Xiao Yixuan feel disappointed. However, under Xiao Yixuan's repeated entreaties, although Ye Lan seemed ruthless, in fact, he secretly observed and gave Xiao Yixuan guidance. After returning to the palace, Xiao Yixuan worked hard to change the current situation of the country, and his admiration for Ye Lan deepened day by day. And in Ye Lan's repeated contacts with Xiao Yixuan, the dark plot in his heart gradually unfolded. Their destinies are intertwined. In this sadomasochism full of pain and struggle, whether they are bound to be separated or whether they are heading for different paths, everything is full of unknowns and challenges.