Two Grindhogs have infiltrated Jellystone Mall and are eating the mall's profits and Cindy Bear won't let anyone exterminate them since they're on the Endangered Species list. When they get to their Pickleyberry Patch habitat in Jellystone Park, Yogi, Cindy, and Snagglepuss stumble upon an abandoned underground mineshaft and discover that a criminal called Max the Mole is going to break into the First Jellystone Bank.