Bart investigates the effects of cigarettes on dogs for a science fair project. When the family finds out, the family loses it on him and begin strangling him. Bart's neck accidentally snaps and he dies. The family is in shock and don't know what to do. They come up with a plan, they tell the police that Bart was kidnapped while Lisa buries the body in the yard. Chief Wiggum proclaims that he will find the kidnapper, but nobody has faith in him. Wiggum is fired and it seems like the Simpsons got away with the murder of Bart.