The newspapers called it Casa de la Muerta , a grisly house of horrors in the Mexican desert where five Catholic nuns were brutally murdered. Freelance journalist Nick Vargas knows it' s a terrific subject for a true crime book--and a chance to revitalize his ruined career. But when he arrives at the scene, he learns there may have been a sixth victim: an American woman whose body has disappeared. Now Nick is dead set on finding her...L.A. prosecutor...