Watch Free Online HD Moviesjoy. After "Old Tang Tou", Xu Tong continued to film the family of Old Tang Tou's son, Tang Laosan, in Northeast China. Tang Laosan was sent to prison for a murder case, and Tang Laosan's son, Xiaobao, unexpectedly encountered such a change in the year of his high school entrance exams, which made the fates of father and son both unpredictable.