Down Among the Dead Men // The Innocent Ones — Robert Gregory Browne

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 Beth Crawford thought it would be fun to join her sister on a cruise to Baja Norte. But when she meets a pair of seductive strangers onboard -- and her sister mysteriously disappears -- Beth follows her suspicions into a sinister world of crime, corruption, and dark superstition. Now, with the help of reporter Nick Vargas, Beth must enter the heart of evil itself, where all shall be revealed...on the Day of the Dead.