John Goodman stars in Joe Dante's nostalgic comedy about fifties kitsch cinema. Electric-shock seat-cushions, a vibrating 'Rumble Rama' and a lifesize man-eating ant are just some of the shocks in store for 14-year-old Gene Ingram and the other citizens of Key West, Florida when a schlock-horror genius (Goodman) brings his latest low-budget creation 'Mant' to town.