Ace Ventura Jr. is a 12-year-old who promises to try and be normal. But, what's normal for him is finding missing mutts, kidnapped kitties or gone gators. Like father, like son, it's in his nature to be a pet defective--detective! So, when a baby panda is stolen from the zoo and Ace's mom becomes the number one suspect, our young hero sets out to clear the family name. Junior teams with up with Laura, his adventurous next door neighbor, and A-Plus, a nerdish gizmo-wiz, to help chase down the leads.