Key West has a new hero...He weighs four pounds and stands eight inches off the ground. His name is Nacho and he's the bravest, shrewdest, funniest Chihuahua you will ever meet. He'll do anything to help his master, the retired Mafioso Bert the Shirt, and his friends-especially the beautiful Rita, with whom Nacho is smitten from the very first time she reaches down to scratch his ears. Wise-cracking Rita, straight out of Jersey, is new in town and...