They are the sons of one emperor through the ages, and they are also the daughters of a famous family. They are brothers and enemies, they are enemies and old friends. In the palace, everyone is struggling; in front of the country, everyone wants to prosper. They seem to have no feelings, and in the end they just deceive themselves and hurt others and themselves. It just so happened that they were deeply in love, but they refused to bow their heads. Everything has become a foregone conclusion in history, and no one can change it, but we are also looking for the true meaning of true love in history.