A Yangtze River separates the two countries.
Chen Zhijiang, a young and talented man, suddenly became powerful in both the government and the public, and was called the Prime Minister of Hannan. The late emperor entrusted him to the young emperor when he was in danger.
The Prime Minister of the Hannan Kingdom worked hard to govern and assisted the young emperor for more than ten years. One night, the Northern Kingdom was invaded. When he went out to discuss peace, he was detained by the enemy and his fate was unknown.
At the same time, the most beautiful woman in the capital, Su Liu, a courtesan who was in love with Prime Minister Chen Zhijiang, also disappeared out of thin air...