Right in the afternoon after the graduation ceremony, the boys' plan to celebrate was disturbed by a sudden rain. Xiao-hai rushed to the park and it was already past the time he and Xiao-pan were supposed to meet. The rain had stopped; everything looked brand-new. Summer is on its way, but a sudden death has made everything somewhat different.
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.
