The orphaned female emperor of the previous dynasty × the sinister regent of the current dynasty fell in love and killed each other in the torrent of dynasty changes, and together they uncovered the secret of the reincarnation of the centuries-old dynasty.
The female protagonist is the last descendant of the former imperial master who is hidden in the market, and the male protagonist is the regent who controls the government and the public but is burdened with a curse.
Behind the "reincarnation of destiny" in which dynasties inevitably change every hundred years, there is a mysterious organization that spans time and space.
The two went from using each other to relying on each other in life and death, struggling between the hatred of the country and family and their personal emotions.
