Family and country are the foundation, and love is the foundation. Live your life as a chess game, and you will have no regrets about your moves. In the flower house in the capital, she was the courtesan of the city, and also a secret agent in Xiliang; in the imperial examination, he was the orphan of an exterminated family, vowing to avenge his family and country. They met each other after throwing a flower ball, and secret feelings arose during the game of power and intrigue, but they didn't know that before the song was finished, the snow swallow had passed away, and there was no return date for the old friend.