For hundreds of years, Los Guardianes de la Paz the Guardians of Peace have enforced an uneasy truce between humans and vampires. When vampires kill two Mexicans on the Rio Grande, everything changes. The vampires must now find a new place to live and a reliable, clean food supply. Meanwhile, former DEA agent Robert Mackie is on a simple but dangerous mission: ferret out the turncoat who had blown his cover as a dedicated employee of a notorious East...