Louis Constantin, nicknamed "Chameleon," is a retired detective from the PJ. He keeps himself busy by conducting investigations on behalf of the CIA (insurance company), with the help of his family: his wife Charlotte (the energetic Dany Carrel), his daughter Isabelle (the bubbly Sabine Paturel), and his son Alex! Between The Pink Panther and Inspector Gadget, everyone has their own method for flushing out imposters...