After triumphing over their rivals at the national level, the Jack family sets their sights on the International World of Wiener Dog Racing. However, without their parents’ approval, the children must secretly make their way to the event. If they fail, their famous and cherished underdog, Shelly, will have to relinquish her U.S. title. As the competition heats up, some of the other countries resort to cheating, but only the true champions can uncover their deceit!