The summary is:
Homer shoots the TV in frustration after it criticizes his parenting. Bart takes illegal fireworks from the attic and sets Mr. Burns' mansion on fire. Chief Wiggum finds Bart at the scene. Mr. Burns sues the Simpsons and takes their house. He offers to let them keep it if Bart clips his toenails for 10 years. Homer reluctantly agrees but the family convinces him to give up beer and doughnuts for 10 years instead as punishment for his poor choices. Homer imagines what his life might be like 10 years in the future if he makes this change.