Madison Steele is excited to watch her aunt's border collie, Chance, compete in the upcoming Vancouver Canine Fanciers Dog Show. But before the competition even begins, someone releases hundreds of dogs from their kennels to run freely through the venue, and Aunt Dee pleads with Maddie and her friends to find the culprit. When the sabotage becomes more and more dangerous and the agility trial is turned into a perilous obstacle course, Maddie worries she's running out of time. With the help of her friends Kris and Jamie, Maddie must save the dog show . . . before it's too late.