Comet, a 4 year old retired racing greyhound finds himself living in Queens, New York with a new family: Rob and Jesse Brooks and their 8 year old daughter, Patty. Not only that but Comet has made fast friends with Igloo, an Alaskan malamute (very big, very strong) and Rodrigo, the Spanish cat. Rodrigo is the unofficial alcalde (mayor) of the neighborhood, knowing everything and everyone. His friends decide to teach Comet how to get along in his new home. The story deals with their relationships and adventures in the big city as Comet learns how to navigate the streets, what it means to be a friend and get along with people and how to survive the risks and dangers of big city life.