Max and Oscar—Bluggsville's sharpest pair of sleuths—can't believe their luck when they find a 400-year-old roll of film. They soon discover it contains a long-lost snapshot, and know they've found something super-special. Unfortunately, they're not the only ones who realize how rare, and valuable, this photo could be. Max and Oscar are going to need all of their wiliest wits to keep it out of the wrong hands!