The Wolf of the Malveneurs(Le loup des Malveneur)

There's a curse on the Malveneur family. There's a black legend which tells that one of their ancestors sold his soul to the devil and he was cursed: man by day, wolf by night.T hese doomed aristocrats were hunters,hence their name (Malveneur = evil venerer). The last of the Malveneur is a scientist who carries out strange experiments on ...nobody knows exactly what the does in the subterranean.The wife has a heart condition, her sister-in-law is a masculine authoritarian lady. And nights in the old castle are not exactly peaceful.