The main problem in the story is that Greg and Rowley go Trick-or-treating and some boys riding in a pick-up truck come and squirt the boys with a fire extinguisher.
Rowley has a new friend so Greg goes and searches for a new friend. That kid is Fregley. When they have a sleepover, Greg has to hide in the bathroom to get away from Fregley.
Greg is In a play and he is a tree. He plans to throw an apple at Patty Ferrel, but then the play is a failure.