Wildlife adventure series following a team of explorers in the heart of the tropical island of Borneo - a lost world of unexplored jungle protected by a fortress of impenetrable mountains. Their aim is to find evidence that will help the area to be preserved forever. The explorers have a close encounter with a giant python and one of the team is bitten by a deadly coral snake, but there's a major breakthrough as they go in search of wild Orang Utan.