The story takes place in an American small town in the 1990s. Zack and Josie have been best friends since childhood. They ride their bikes to and from school together every day, play together after school, and even fall in love with the same girl. However, the peaceful life was completely broken one afternoon. The party got out of control because of marijuana, and friend Daryl bled to death in the classroom. The boys panicked and swore each other to keep it secret. Zack's simple life seemed to be torn open by a huge hole, and he was oppressed by guilt all day long. Josie simply stopped going to school and even stopped leaving the house. The two boys who were once inseparable had an insurmountable gap after a few days...