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.

Ten year-old Xiang faces a lonely future after his father dies. Just when he thinks he's going to spend his life in the orphanage, his estranged mother shows up. And his life changes forever... A loveless mother, a hateful stepfather, a chilly home. Where's Xiang heading to? He finds comfort in drawing and his work reveals his longing for care and affection. Life is full of hope again when he meets the old school janitor who doesn't show his kindness easily and a portly man who has crazy ideas and is haunted with nightmares of his brother. A scary truth is about to be unmasked. Will Xiang be able to depict his own image in the fourth portrait?