Wiener-Dog tells several stories featuring people who find their life inspired or changed by one particular dachshund, who seems to be spreading a certain kind of comfort and joy. Man's best friend starts out teaching a young boy some contorted life lessons before being taken in by a compassionate vet tech named Dawn Wiener. Dawn reunites with someone from her past and sets off on a road trip picking up some depressed mariachis along the way. Wiener-Dog...

After beating the competition at the nationals, the Jack family prepares for the International World of Wiener Dog Racing. Without parental consent, the kids must sneak off to the races, otherwise their notorious, beloved underdog, Shelly, will have to forfeit her U.S. title at the competition. But the stiff competition leads several of the other countries to get involved in foul play that only the real winners can sniff out.