A boy living in the countryside with only his dog and his grandfather as companions struggles through life with the overwhelming longing for his parents that have moved far away.
Jiang Hualin
as 爷爷
Li Jiaqi
as 开开
徐巾淇
as 王老师
房凯旋
as 小燕子
刘奇
as 小亮
原明轩
as 开开爸爸
毛智颖
as 开开妈妈
郭翠花
as 林医生
理敏
as 燕子姥姥
王正勋
as 小亮姥爷
陈跃霖
as 春儿
