Eight-year-old Tistou is born into a rich family and a life of luxury. His father owns an armaments factory, and his mother loves and dotes on him. However, Tistou is not happy. He is missing something in life. When he is sent home from school, his father decides that Tistou must learn his lessons from real life. So, the boy is ordered to work with the gentle and wise gardener Moustache. However, instead of learning about gardening, he learns that he has green thumbs of peace. Everything he touches turns into beautiful plants. His major learning lesson is that he can change the world and transform prisons, slums, and hospitals. He has a mission in life. Most important of all is that he can prevent wars and influence his father to stop manufacturing weapons. His story is a tale for all readers who care about the future of our earth.