When they first met, 5 year old Tang Jun He saw 6 year old Yang Xuan as his hero, and willingly became his ‘lackey’. Yang Xuan: “There are 12 ways to fold a paper plane, don’t you know? Let me teach you." Ten years later, 17 year old Tang Jun He started living in Yang Xuan’s house as his younger brother. The grievance from the previous generation had not yet disappeared. These two youngsters fought and contended against each other. "The one who falls first is the one who loses. I knew that since long ago, but I’m willing to.” In a blink of an eye 10 years passed by, a 28 year old Tang Jun He and 29 year old Yang Xuan met again. Things remained the same but the people were no longer the same. Two people who remained in the darkness can never be each other’s light. Then let’s walk together, and find the light.