A youth that is willing to participate and a life that is full of faith. This is Ji Ningyue's creed from being an orphan to going to Tibet to find his own life. Everyone is fighting for their own lives, and Xiaoning and Xiaotong are no exception. But when we are pushed by life, we discover the way of life. Ji Ningyue unexpectedly separated from his girlfriend Xiao Ning, and met Xiao Ning's half-sister Xiaotong. Although she was a disabled person, after experiencing a series of things, she suddenly knew how she should live. Life is not difficult, the difficult thing is how to find the exit.