It became that hot in Springfield it was really difficult to stand it. Bart and Lisa come up with the decision it would be much easier to stand the heat with their own swimming pool. They ask their father to arrange it on the back yard. The swimming pools becomes really popular among other children. While having fun and jumping from the nearby tree Bart accidentally falls and breaks his leg. When it is understood he will spend the whole summer in his room lying in bed Lisa presents him her telescope. Later when watching through the telescope in the neighbor’s yard Bart notices Ned Flanders with the shovel. His own thoughts bring him to the decision that Flanders had killed his wife Maude.

In the first episode there is a flashback where Homer is shown during the most adventurous period of his life. He was a real musician, have been playing with the group. The Be Sharps (gang's name) were of such popularity they even had won Grammy. It was a period full of emotions and passions, but still it ended up with Homer missing his family and group’s breakup. The life of the family turns into thriller when on one regular day Bart opens a letter and understands it is written with blood. Later there are more such letters and they all come from Sideshow Bob, who was recently released from the prison. Simpsons have to move to another place while taking part in Witness Relocation Program.