Atausedcarlot,Mr.MagooisintentonbuyingacarforhisnephewWaldo.Heisslicktalkedintobuyinganoldclunkerthankstoashiftysalesmanbuthedrivesitoffanyway.Unfortunately,themyopicMagoodrivesoffapierandundertheoceanwherehemistakesthevariousaquaticsurroundingssuchasfish,sunkenboats,andsealsforothercars,dilapidatedmansions,andahornhappydriverrespectively.