Falling in love on his eightieth birthday was not one of the planned party surprises, but Cupid's arrow hits Uncle Teo hard. The rest of the Mantoni family, however, is in an uproar because the new girlfriend, Olga, has an astonishing talent for making enemies. Before long, the family is ripe for murder, and when Olga is indeed found dead at the foot of the historical San Niccol Tower, the Mantonis all cheer . . . until commissario Stefano Garini...