This tells the story of a princess of Âu Lạc (Vietnam) who was married to the king of the neighbor country, for the peace treaties between the two countries, in exchange for some land, to enlarge our country, and to make peace with the neighbor. She sacrificed her personal love for the nation. And the man who was in love with her even had to escort her to the other country and left her there. But later, when the king died, he came and snatched her back. But it was a very dangerous situation. They succeeded. Happy ending. Ends good, all is good. This is beautiful, but alone makes no sense. Beautiful!