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Hollywood's hottest canine commodity has gotten hopelessly lost after wandering away from his master, and now the former movie star has become the beacon of hope for a small-town firehouse on the verge of collapse. Rex is the dog that every child in America has fallen in love with. A pompous A-list barker whose list of perks overshadows that of even the most esteemed Hollywood actor, Rex 's fate takes an unexpected turn when a skydiving stunt goes awry and his handlers assume that their cash-canine has perished as a result. Now, despite being very much alive, the former doggie diva has become just another mangy stray wandering the streets in search of a home. Lost in an unfamiliar city and pursued by animal control, Rex seeks refuge in a run down building that soon goes up in flames. Shane Fahey (Josh Hutcherson) is a rebellious preteen whose single-parent father, Connor (Bruce Greenwood), is struggling to care for his son and cope with the death of his brother, the former captain of t