In the world of 2013, without the excitement of 2012 and the fabled widow year, it seems that everything is living in a normal way. Under the leadership of class monitor Chen Chao, the students who have graduated for five years walked into the National Forest Park for a After five years of exciting parties, Chao Chen inexplicably stepped into the forbidden zone known to the local mountain people—Ghost Valley, and the result was nothing but people, conquest of other worlds, melee in shopping malls, a small butterfly shook the other world