According to the plot of TV series The Pretender, Zhu, and Acheng are underground party member in China. Zhu is a member of the anti-rape group of the Communist Party of China (CPC) underground gang. She lurked in No.76 as a secretary of the Ming building, secretly collecting information. And Acheng (Mingcheng) is the adopted son of the Ming family and a member of the underground party in communist party.