To realize dream of music, a young man left home with his father to study. The family remained true to original aspirations, and broke through difficulties. One day, he is finally at top and conquered the world with peak performance at 17.
Jiang Wen
as Lang Guoren
Ma Li
as Zhou Xiulan
Zhang Chenghao
as Childhood Lang Lang
于和伟
as Lao Cui
Yu Kailei
as Sun Jian
何賽飛
as Ou Ya
Ding Zhicheng
as Old Policeman
Wang Longshuo
as Young Lang Lang
辛芷蕾
as Teacher Lin
雷佳音
as Second Uncle
葛优
as Wang Ziyue
王传君
as Chu Zhongtian
