Josch the Frog and his friend, the stick insect Daggi, are called to the rainforest. A mysterious monster is causing trouble there. It is uprooting all the trees and taking away the animals' habitats. The supposed monster turns out to be an excavator, operated by humans, clearing the trees to make way for new plantations. Josch and Daggi help the animals defend their home. However, this leads to a dangerous accident. The exciting story is complemented by a page with interesting factual information about the rainforest and the animals that live there. Additionally, stick insect Daggi offers many practical tips on how children can protect nature and the environment at home.