Desc: Piao liang ma ma: Directed by Zhou Sun. With Gong Li, Xin Gao, Jingming Shi, Yue Guan. Gong Li stars in this low-key drama about a single mother who will do anything to provide for her son. Sun Liying (Li) struggles to care for her hearing-impaired child Zheng Da (Gao Xin) after her taxi driver husband divorces.