Desc: Bai ta zhi guang: Directed by Zhang Lu. With Bai Qing Xin, Yao Huang, Zhuangzhuang Tian, Nan Ji. Gu Wentong learns the whereabouts of his father, who lost contact with him more than 40 years ago. Encouraged by his new friend, Gu Wentong decides to face his father and rebuild the long-lost father-son relationship.