Shaun joins an army of terrapins dressed like the forces of Vlad the Impaler to battle an army of cats dressed in German World War 1 helmets. Kommandant Francis leads the cats in a raid on Shaun's farm.

Francis and his barnyard pals put on a show that includes dancing ducks, opera singing by Patricia Pig, and Francis' own rendition of the song, "Hey Ya" by Outkast who sue him for copyright infringement.