A workplace accident leaves Homer in a cast, and in a position to sue Mr. Burns. This leaves Marge unfulfilled, so she turns to an unexpected source for romance. Meanwhile, Lisa is made "Bus Monitor" and tries to keep the peace.

Homer discovers that Maggie is a whistling savant and launches her baby-celebrity career. Meanwhile, Marge impresses Fat Tony with her interior design taste, and he hires her to style his brothel.

Grampa gets a hearing aid and finally hears what everyone has been saying about him. Meanwhile, Mr. Skinner discovers that his mother has kept the ultimate secret from him.

God and St. Peter contemplate what merits a soul getting into heaven, while citizens of Springfield remember their divine encounters.

Homer wins an oyster-eating contest against the mythical Cthulhu, Springfield is overrun by plant body-snatchers, Lisa finally snaps and Mr. Burns opens a retirement home with some Jurassic upgrades.