Dance teacher and mother Nadja left her son Mario with her own mother when he was little. Now she has reappeared on his doorstep, seeking a closeness that knows fewer and fewer boundaries. An uncompromising film about family relationships.。十八年前,萧贵妃偷换皇后嫡女并欲杀之。女婴大难不死,被救出宫抚养,取名桑晚。
十八年后,为寻生母,桑晚入宫为婢,竟被分至皇后宫中。虽得皇后喜爱,母女却不相识。在假公主的屡次陷害下,母女几近相残。真相大白时,皇后悔恨不已。。