Xiao Yu has been roaming the mountains alone near the Tibetan border like many other young people who are chasing down poetry and distant lands. But what we see is that he is coming down the mountain, away from the vast nature, away from the world. The mountain stands, the river flows, he has come all his way and seen it clear. Although he still feels lost, his craving for returning to the mundane world is getting stronger. However, the adventure will have just begun when he finally reaches the foot of the mountain which seems to be the most worldly fireworks market. Looking back, it seems that everything is preordained.