The wife, whose husband’s heart was transplanted into Gaoyi, came to Gaoyi for help, saying that her son, now in high school, was bullied, but the school could not deal with this sort of thing. The friends of Gaoyi advised him to infiltrate the school as a teacher to find out the truth and succeeded in helping him do so by forging documents. At first, he didn’t take school bullying seriously and thought teenagers could not be much worse. However, contrary to what he imagined, today’s teenagers were different. After staying in school for a while, he found there were more problems behind school bullying and meant to leave after finding the bullies. Unexpectedly, his way of dealing with this triggered more serious results. Several incidents even exposed the teachers’ attitudes and the families’ fundamental problems. Because the adults turned a blind eye to school bullying, Gaoyi decided to stay in school and solve the problem in his way.