It's party time! Naomi Wilkinson heads to the energetic urban sprawl of Rio de Janeiro to meet the jungle giants that have made this city their home. She braves the jaws of some reckless reptiles snapping at the heels of Rio's residents, catches a jungle joker committing an act of urban vandalism, strikes out in search of the world's largest rodent and launches herself off one of Rio's highest peaks to referee a deadly stand-off between bird and plane.