For family reasons, Zhong Bufan, a young man from a small town, flees his home to try to reach Beijing. On the way, he crosses paths with Ren Jiqing, an old man suffering from Alzheimer's disease who mistakes him for his son.
成龍
as Ren Jiqing
彭昱畅
as Zhong Bufan
张佳宁
as Su Xiaoyue
潘斌龙
as Mr.Jia
李萍
as Aunt Jin Zhen