Bolt, the canine star of a popular TV show, is convinced that his on-screen superpowers are real. When he's accidentally transported from Hollywood to New York City, Bolt sets off on a daring quest to reunite with his owner, Penny. Accompanied by Mittens, a savvy alley cat, and Rhino, an enthusiastic hamster, Bolt discovers the power of friendship and the hero within, realizing that real courage doesn't require superpowers.