A 14-year-old junior high school boy who likes astronomy was forced to practice the piano by his single father. Suddenly an alien appeared in the boy's bedroom, which completely changed the lives of the boy and his father.
as Dawang
as Xiaotian
as Mozart (voice)
as Ding Jieling
as Niu Yuxia
as Grandpa Xiaotian
as Teacher Deng
as Scarface
as Ren Xiaotian's mother
as Lang Lang
as Ding Jieling's father
as Xue Xihao's mother
as Ma Yuan's father
as Twins' father
as Police
as Ouyang Baoluo
as [Mo Mo's father]
