Russell is an undersized but big-hearted terrier who dreams of having a family of his own. After running away from his pet store, Russell gets taken in by the Ferraros, a family desperate to revive their grandfather's pro wrestling arena. That's when they discover their new pet pooch has incredible wrestling skills. With help from his coach, Hunk, a savvy and hilarious monkey, Russell rockets to the top of the pro wrestling world and becomes a famous...