Beijing today. Xiao Gui has just arrived from his village. He is 16. He finds work with a delivery service that cleans him up, clothes him, and lends him a bicycle : a magnificent silver mountaint bike. The company pays well, but Xiao Gui must pay part of the money back to buy the bicycle on which he spends the better part of his days. One days when Xiao Gui has almost finished paying for it, the bicycle disappears, stolen from in front of a building where he is delivering a package. Without his bicycle, Xiao Gui no longer has a job. So he runs all over Beijing in search of his bicycle. But when, miraculously, Xiao Gui finds it, Xiao Tin is riding it. All he needs to do is steal his own bicycle back, but Xiao Tin doesn’t see things the same way. He bought this bicycle at the flea market. They will just have to learn to share…