Ozzy, a friendly, peaceful beagle has his idyllic life turned upside down when the Martins leave on a long and distant trip. There's only one problem: no dogs allowed! Unable to bring their beloved Ozzy along for the ride, they settle on the next best thing, a top-of-the-line canine spa called Blue Creek.

France, 17th century, under the reign of Louis XIII. Dogtanian is an impetuous and innocent peasant from Gascony, as well as a skilled swordsman, who travels to Paris with the purpose of making his dream come true: to join the Corps of Muskehounds of the Royal Guard.