Dragon is lonely so he goes looking for a friend and when an apple falls on his head he is convinced that he has found one; but at home Apple is quiet and unresponsive, and when a visit to the doctor only makes things worse, Dragon mourns the loss of his friend until an apple tree grows where Apple is buried.
Forging a fast but unusual friendship with Will the worm, Mac, a young apple, is bullied by other apples who say that apples and worms are not supposed to like each other, a situation that compels Mac to stand up for himself.
Class hamsters Max and Mo, tired of eating corn, are very excited when the "big ones" go on a class field trip and return with lots of apples. Includes instructions for making apple prints and a recipe for applesauce.
Feeling out of sorts with his twin sister, Olive, and their friends Lizzie and Sarah, Peter is drawn to new student Kai, but soon discovers that Kai is not very nice.