A retiring rural school teacher comes to Wuhan in search of his only son. His dying wife has requested to see her son one last time. She meets his daughter Yanhong, who works as an escort at a karaoke bar. Yanhong introduces her to a policeman who is sympathetic to her plight and agrees to help find her son. The two quickly become friends. Yanhong also introduces her father to her boyfriend, the karaoke owner, an older man who drives a luxury car. However, when the four of them meet for dinner one night, the old policeman recognizes the boyfriend as a man he had over ten years ago...