In 1935, Tianjin Wei. The top star of the celebration class is Qing Yi Jiang Yunsheng, on the stage is the concubine Yu Ji, and off the stage is a taciturn actor. When the young marshal of the Governor's Office, Lu Chenzhou, returned from overseas, the first thing he did was to book out the entire theater and watch "Farewell My Concubine" for seven nights. At the end of the show on the seventh night, Lu Chenzhou broke into the backstage and put his gun to Jiang Yunsheng's throat: "Boss Jiang, the show is over. Let's talk about the city defense map you sent out in Fengtian three years ago, disguised as Kun Ling?"