In 1812, a comet flew over the ground. Who knows why, but after that, intelligent animals began to be born on the planet. And so in late nineteenth-century London, a boy meets a Fox. A noble gentleman with a red tail, of French descent, has excellent fists and a sword, being a freelance consultant to Scotland Yard. Who is he, Monsieur Renard? Detective, beast, bored aristocrat? What is his deductive method? And most importantly, why did he stand in the way of all the crime of London? Let's ask his student...