 Marge s fears that Homer will embarrass her at the annual Springfield Chili Cook-Off again, are reaffirmed when after tasting various bland samples of chili, he comes across a specialty made by Chief Wiggum laced with hallucinogenic Guatemalan peppers. The chili sends him on a psychedelic journey where he meets an imaginary Coyote spirit guide(voiced by country music legend Johnny Cash), who urges him to find his soul mate, causing him to doubt that he should ve ever married Marge in the first place.