A third generation police K9, and a civilian underdog built for speed are among the pooches who face off in a competition that comes right down to the wire. Who will get the last woof?

This time not one but two civilian underdogs take on the professional pooches in an epic clash of K9s. Will experience win out, or do a brash boxer and a peppy pitbull have a real shot to be leader of the pack?