Joyride

A motel in an out-of-the-way little town, a mysterious woman calling herself Ms. Smith comes to stay. J.T., the son of the motel's owner steals her car in an attempt to liven up his dull life and to impress Tanya, a hotel guest who flirts with him and wants to be a model. Ms. Smith is a professional killer, and J.T. thinks he can make things work to his advantage when the they find a corpse in the trunk of the stolen vehicle. (IMDb)