The story centers on , a pampered terrier living a perfect life with his owner, Katie. That life is turned upside down when Katie brings home Duke , a massive, shaggy rescue dog. Their initial "sibling rivalry" leads them away from their comfortable apartment and into the gritty underbelly of New York City, where they encounter:
: While Max and Duke try to find their way home, their neighborhood friends—including the gutsy Pomeranian Gidget and the indifferent cat Chloe —team up to save them. Why It Resonates
: At its core, the movie is about the profound bond between humans and animals, suggesting there is a "human out there for every pet". Fun Facts & Legacy
While critics often note that the plot follows a familiar "lost and found" formula (drawing comparisons to Toy Story ), the film's strength lies in its .