As the small town of Vigata prepares for its New Year celebrations, local police inspector Salvo Montalbano is reluctantly making arrangements to travel to Paris with his girlfriend. What he would much rather do, however, is accept a dinner invitation by his cleaner Adelina, who has promised to cook rice croquettes.
A wealthy husband and wife are found dead in what appears to be a car accident, but which quickly turns into a murder investigation. As the circumstances surrounding the death of the couple grow more and more mysterious, clues point to the involvement of Adelina's son Pasquale.