In the African rainforest, Eliza discovers a missing cheetah cub held captive in the camper van of two seemingly friendly wildlife researchers. When she confronts them, she finds she may be forced to confess her secret gift. Will she lose her power to talk to animals?

The Wild Thornberry's make their big screen debut. Follow Eliza and Darwin across the plains of Africa to England and back again as they battle to save cheetah cub, Tally and the elephants from the clutches of poachers. When Eliza is lost in the African rain forest, she comes across two friendly wildlife researchers. At least that's what she thinks until she discovers a missing cheetah cub held captive in their trailer! When Eliza confronts the two, she finds herself in a situation that might force her to confess her secret gift of gab. Will Eliza lose her power to talk to animals?