Four seemingly independent murder cases gradually revealed a palace conspiracy that spanned fifteen years - the Northern Qi Dynasty secretly lurked, loyal ministers exterminated the family unjustly, the estrangement between father and son and the rebellion between master and disciple. Shen Zhao and Xiao Zhi have gone from the initial superior-subordinate relationship to life-and-death lovers. In the process of tracing the truth, they not only have to face the betrayal of the killer in the open, but also face the trauma in their own hearts.
