The Living Dead Girl (1982)

Abruptly, the eternal slumber of the once vital 20-year-old Catherine Valmont is disturbed when a violent tremor shakes her damp and sombre underground crypt in the very foundation of her once vibrant French château. Now that the much lamented, delicate and oblivious Catherine is enticed to dwell in the world of the living tethered to the place she used to live, summoning pale memories of her beloved blood-sister Hélène remains her only link to this earth except for that vague, yet overwhelming rabid desire for innocent fragrant blood. Sooner or later, the dumbfounded Hélène will encounter once again her solitary dark sister who is longing for her in silence, nevertheless, is the cryptic Catherine the person she once knew or has she become a grim and soulless monster?