Rani Price and Johny Pitts follow the keepers at the Port Lympne and Howletts wild animal parks as they take care of the animals. Ledana the tapir is very ill. The keepers and the vet are doing everything they can, but will it be enough? Plus, meet the world's smallest monkey - the microscopic mini marmoset, and find out why the snow leopards go mad for a smelly old boot!