To a dumpy motel in an out-of-the-way little town a mysterious woman calling herself only Ms. Smith comes to stay. Not only is she stunningly lovely but her big black convertible is a beaut. J.T. the just-out-of-high-school son of the motel's owner is taken by the car and in an attempt to liven up his dull life and possibly to impress Tanya a hotel guest who flirts with him and wants to be a model he steals the car.