After relocating to his late grandfather’s residence, young Jack discovers that he has inherited his grandfather’s dog, Skipper (voiced by Norm MacDonald), who has the surprising ability to speak! With the witty canine’s assistance, Jack uncovers that his grandfather left behind a hidden Spanish treasure somewhere in the town. Teaming up with three resourceful neighborhood kids—a goth girl, a socialite, and a prankster—Jack embarks on a quest to locate the treasure, guided by Skipper. However, they must stay one step ahead of a group of clumsy yet determined thieves who are eager to claim the treasure for themselves.