England, last century. A castle: Blacktales. Every seven years its proprietor, the frightening Monsieur Noir, comes over to sign the new lease with his tenant. In Blacktales, two unrelenting opposing clans fight a ferocious and cunning struggle over the possession of a pen: the lease contract can be signed only with this pen, the signature giving absolute power. Into this troubled atmosphere arrives the recently orphaned Fanny: the pen, missing for two years has been located. It is in the hands of the two creatures whose ruthless sadism terrorises all the inhabitants of the place...