One small village in the Spanish mountains that doesn't have enough people to survive. A mayoress, who wanted to save it, had elaborated a plan to alleviate its agony. Five families that came to the village were invited to visit. A visitor who disappears during the black night before leaving. The mayoress and a former police officer try to solve the mystery while the clock works against them. An unexpected help from the city that would facilitate the investigation. Absolutely, no one in town, however high their reputation, is entirely beyond suspicion. All of this during the onset of a pandemic that will force them to remain locked up and separated from each other. Will they be able to find all the clues before all the families take the bus that will take them back to the safe of their homes? Will our protagonists be able to solve the case before time runs out? Get involved on this thrilling adventure and discover the history and culture of this village. The relationship between the locals and the visitors. The intriguing plans of some guests. An intriguing plot that will engage the reader from the beginning and continue that tempo throughout.