The Treasure Hunt

When a crazed elderly man and his sister begin firing bullets from their balcony down onto the Vigàta street below, Inspector Montalbano finds himself a reluctant television hero. A few days later, when a letter arrives containing a mysterious riddle, the Inspector becomes drawn into a perplexing treasure hunt set by an anonymous challenger. As the hunt intensifies, Montalbano is relieved to be offered the assistance of Arturo Pennisi, a young man eager to witness the detective's investigative skills first hand.