Nocturna (1979)

Hard times have fallen on the Transylvanian House of Dracula. To help pay the taxes, Castle Dracula has been converted into the Hotel Transylvania. Dracula himself is aging and toothless, being cared for by his granddaughter Nocturna. When Nocturna books a disco group to play The Claret Room and winds up falling in love with one of the backup guitarists, a mortal named Jimmy, she notices that she is able to see her reflection when she dances, so she decides to follow Jimmy to New York in search of mortality.