When the Simpsons' flight to Gainesville gets re-routed to New Orleans, Lisa is forced to face her failures, and regain her confidence as a jazz musician. Meanwhile, Bart is intrigued by the voodoo in Louisiana, and Homer is intrigued by the drinking.

Homer gets Flanders a job at the plant, and he soon learns that no good deed goes unpunished when Flanders starts to insist on carpools and demands more from Homer's work performance. Meanwhile, Marge feels as though their marriage has lost its spark.