In Beijing in 1930, Bei Qingru, who grew up in a brothel, happened to meet Peking Opera star Yang Jiedie and wealthy son Wei Jingkai at a banquet. Die, with Kai's help, rescues Ru from the brothel. Ru secretly promised Die Fang, but found that there was an ulterior secret between Kai and Die...
The three people are entangled with each other and hate each other; maybe the butterfly in the mirror is so beautiful that they are willing to be fascinated and pursue the shadow of the butterfly in the mirror.