Seven Mummies

Desolate arizona desert driving a van carrying six prisoners. An accident, however, will give prisoners the hope of escape. One guard killed and his colleague, they take as a hostage. The aim is to Mexico. During the journey through the desert they find a gold medallion, and when an old indian tells about a large gold Spanish treasure, they decide to before the escape to Mexico find. Along the way stumbles upon an old city, but soon finds that his nice inhabitants are vampires and zombies. Begins a terrifying fight, in which it's not just about gold but also about life.