The genius hacker FeiKong is in reality a 17 year old girl named QingKong, she lives alone and is searching for her parents. She meets a young man on a train which goes to her aunt’s house every week, but they have never exchanged words. Until this time, they agreed to meet outside the train, it was this time’s arrangement who pulled open the real journey’s prologue… A mysterious organisation that doesn’t exist but controls everything…. His disappearance led them both in a parallel world.