Steve Backshall heads to the jungles of Borneo to track down the wildlife hidden beneath the canopy. Along with a team of international scientists, experts and film-makers, he's on a mission to prove just how special this jungle is, in the hope of protecting it from destruction by loggers. His job is to find out what's living on and around Mount Kuli. But will the dense vegetation and perilous cliff faces prove too much for him and his team?