Raf and his best friend Patterson grow up together as Patterson lives next to the zoo and they are born on the exact same day. On the first day of their school, Patterson even stuffs all kinds of plants in his backpack to make sure Raf has enough to eat. When Patterson realizes Raf isn't going to join him at school he becomes sad. Gradually Patterson is enjoying school more than he expected and actually makes a new friend. Raf, however, feels left out and Patterson then comes up with a brilliant idea to bring Raf to school and to unite his two best friends.