 As described in a film magazine, Jimmy Dent (Reid), son of John Dent (Roberts) the maker of the reliable but plain Dent automobiles, is dismissed from the firm after he refuses to drive a Dent.He goes west with the Tyler family, owners of a rival automobile firm, in one of their expensive high speed cars.The elder Dent attempts to break the cross-country record held by a Tyler automobile with a Dent vehicle, but Tyler's men waylay his drivers.