Sammia Du is a character in the urban mystery drama Family Secrets directed by Liu Guoqing. The play tells the story that the writer Liu Ruobing's family is no longer calm because of their "mysterious" nanny, and a secret that has been hidden for many years is gradually revealed.

A form of drama specially designed for television. It is compatible with modern artistic elements such as film, drama, literature, music, dance, painting, modeling, etc. It is a modern artistic style that adapts to the characteristics of TV broadcasting and integrates the artistic expression methods of stage and film.