Russell Madness tells the story of Russell, a small but hearty terrier who dreams of having his own family. After running away from his pet store, Russell is adopted by The Ferraros, a family desperate to restore their grandfather's professional wrestling arena. That's when they discover that their new pet pooch has incredible wrestling skills. With the help of his coach, Hunk, a savvy and funny monkey, Russell soars to the top of the professional wrestling world and becomes a famous sports superstar. However, when a dishonest promoter double-crosses the Ferraros, Russell will face his biggest challenge and discover that the strongest team is family.