Sherlock the Border Collie asks Steve Barkley and his family to help Him figure out Who is Stealing from His Human, Dr. Chloe MacDonald, an inventor who is staying at a nursing home. One of her inventions is a dog dictionary attached to Sherlock's collar that allows him to add to his huge vocabulary. It even translates unusual languages, including cat.

The family and Sherlock go to the nursing home on Pet Visitors' day where they learn that the stolen property is not only valuable to Chloe, it could be dangerous in the wrong hands. Follow the action in this Dog tale, suitable for the entire family.