Bernie believes that he is the master of all pranks until his neighbor Carl Reiner, Wanda, and the kids join forces against him for the ultimate practical joke. They make Bernie believe that he accidentally killed Carl's beloved dog with rat poison. But it isn't until Ashton Kutcher comes into the picture that Bernie is put in his place.

Jordan wants to be more popular in school, so Bernie teaches him to gamble, but the trick soon backfires. Wanda's birthday is coming up, and Bernie searches for a rare cognac-colored diamond.