From cult movie directors Quentin Tarantino and Robert Rodriguez comes a unique film experience: a double-bill of thrillers that recall both filmmakers' favorite exploitation films. 'Grindhouse' (a downtown movie theater in disrepair since its glory days as a movie palace known for 'grinding out' non-stop double-bill programs of B-movies) is presented as one full-length feature comprised of two individual films helmed separately by each director. Tarantino's film, 'Death Proof,' is a rip-roaring