To be a Pet Detective, you have to understand both the criminals and animals. Ace Ventura goes even further... He behaves like a criminal animal. When a football team's mascot (a dolphin) is stolen just before the Superbowl, Ace Ventura is put on the case. Now, who would want to steal a dolphin, and why?

Ace Ventura, emerging from self-imposed exile in a remote Himalayan hideaway, travels to Africa with explorer Fulton Greenwall to find a sacred bat which is told will avert a war between with Wachootoo and Wachati tribes. Of course, when Ace gets involved, all hell breaks loose...