When a famous show dog "Mr. Binxley" is stolen, Ava and Carol, twelve-year-old detectives, jump at the opportunity to track down the dognapper. A strand of hair, a giant shoe-print - the girls begin putting together a series of clues and suspects that lead them closer to the bad guy. But just when they think they've figured everything out, a new clue is revealed that changes everything. Suddenly, the girls are back to square one, and time...