In the deepest jungles of Africa, two tribes will fight a savage war unless a sacred animal can be found so they're sending for the only man who can help, Ace Ventura (Jim Carrey)! Ace embarks on a delicate mission from the English Consul General (Simon Callow) to help a people untouched by civilisation. Blind to fear and immune to pain Ace must gain the respect of the tribe, discover the animal within and answer: When Nature Calls!