It's Christmas Eve in Posadas County, New Mexico, and the bad-luck snowball really gets moving downhill for Undersheriff Estelle Reyes-Guzman. Former Police chief Eduardo Martinez suffers a heart attack while chasing car thieves at a local motel; a deputy's fiancee is found murdered in an arroyo; and Estelle's retired boss, Bill Gastner, is left for dead after a blow to the skull.
