Dr. Miracle comes to a small town to sell his cure-all and enlists a young boy to be his toady, or assistant.

A clever dog helps his owner solve a case involving a missing Gypsy necklace; an evil curse, and a kidnapped, larcenous cat.

The world's greatest four-legged detective goes underground, posing as an ordinary dog in order to foil a dognapping at a local dog show.