Lin, a young boy bullied in school. Classmates accuse Lin's father of being a serial killer since he caused a hit-and-run accident several years ago. Lin turned to meat pie peddler who used to be a gangster. Lin stole his mother's money and asked the peddler to kill four of his classmates. But the peddler didn't take revenge for Lin; he ran away. Because of this, Lin transfers to a new school, a transformed person. From the scrawny boy bullied around, he has become the ring leader of a gang of bullies.