Milana receives a long-awaited gift from her parents—a puppy named Dippy. Her joy knows no bounds, but one day, while out for a walk, the girl gets distracted, and the puppy gets lost in the park, left all alone to face the big city. Dippy meets a street cat and a rat named Bangs, and even falls in love with a Chihuahua named Tabby. While Milana searches for her beloved pup, exciting adventures await Dippy—adventures in which he must become a true hero, capable of protecting not only himself but also his friends.