It was once in the heart of the Congo a species of great ape that is found nowhere else, the bonobos. Smarter, prankier, more fascinating than all the other monkeys, yet they are endangered. Claudine André, who dedicates her life to defending them, has opened a reserve to protect them. She will welcome Beni, a little bonobo captured by men, who will relearn community life and prepare to face the dangers of the jungle ...