Desc: Mama: Directed by Yuan Zhang. With Qingyu Yan, Xiaodan Yang. A young woman who has been abandoned by her husband is left to cope with her mentally challenged and epileptic 13-year-old son. Dong Dong suffered brain damage during an acute epileptic seizure at the age of 6. He seems to be good at nothing except trouble. Liang Dan, his mother, clings stubbornly to the hope that her child will be normal again some day. As Dong Dong is rejected from schools Liang Dan's efforts seem futile and she loses hope.