Donnie and a chimpanzee named Darwin. Eliza, the heroine of the series has the gift of understanding the language of animals and talking to them. The family travels to every continent and environment in a recreational vehicle equipped with safety mechanisms to handle any terrain or body of water. From the North Pole, via the Gobi desert or in the heart of sub-Saharan Africa, the series highlights the defense of nature, in particular through themes such as deforestation, the disappearance of endangered species or the poaching.