Perhaps to outsiders, they are just a group of delinquent teenagers who are the scum of society and will sooner or later embark on a path of depravity. But they value each other's affection and the principles they adhere to. They are willing to give up everything for their brothers, and at the same time they care about all the relatives around them. In the carefree youth period when pain and joy coexisted, after experiencing a baptism of guarding his position, he transformed into a real man, learned how to grow up, and understood the meaning of cherishing.