Ezcaray is a quiet town where nothing ever happens.However, everything changes when Boris, one of the neighbors, appears decapitated in his house.This strange event leads Interpol to the town itself, and this is how Agustín Robles, an award-winning Lieutenant of the Rapid Action Group of the Civil Guard, meets Sebastián Olmos, the most down-to-earth First Cape and clumsy of La Rioja.The case adopts unsuspected dimensions and ends up splashing Robles, who is forced to stay in Ezcaray and work with Olmos, his antithesis.They can only stop the assassin if they join forces and talents: Lieutenant Robles' rigor and experience with Cape First Olmos's insight and knowledge of the terrain.A strange couple condemned to understand each other and also work on curious local cases such as the appearance of a corpse in a wine barrel, the mysterious flight of a nun who does not speak, or the death of a white crow.Together, but not stirred, they will form the perfect match.Or almost perfect.