Homer buys Marge a Koi pond as an anniversary present, but the pond becomes a home for a rare screaming caterpillar. The EPA makes Homer responsible for the screamapillar, but when he tries to kill it the court sentences him to do community service.During his community service Homer meets Mrs. Bellamy, a wealthy old lady, and ends up doing additional odd jobs for her. Homer spends so much time helping Mrs. Bellamy that he neglects his own family. When Marge talks to her about the situation, she ends up working for Mrs. Bellamy too. After a party, they discover Mrs. Bellamy passed out on the floor as a burglar escapes out the window with her diamond necklace. Mrs. Bellamy dies and Homer and Marge are suspected of murder. During a search of the Simpson's house the police find the missing necklace and Homer and Marge are arrested.At the trial they are found guilty of murder and are sentenced to die in the electric chair. Homer decides to save Marge, by confessing to the murder. On the day of Homer's execution, it's revealed that the whole thing was a scam and part of a new reality show called 'Frame Up,' and that Mrs. Bellamy is alive and is actually Carmen Electra in disguise.