The Brides of Dracula

The Brides of Dracula is a 1960 British Hammer Film Productions Horror film directed by Terence Fisher. It stars Peter Cushing as Van Helsing David Peel as Baron Meinster, a disciple of Count Dracula Yvonne Monlaur as Marianne Danielle Andre Melly as her roommate, Gina Marie Devereux as a village girl and Martita Hunt as the Baroness Meinster.

Transylvania, land of dark forests, dread mountains and black unfathomable lakes. Still the home of magic and devilry as the nineteenth century draws to its close. Count Dracula, monarch of all vampires is dead. But his disciples live on to spread the cult and corrupt the world...Marianne Danielle, a young French schoolteacher en route to take up a position in Transylvania, is abandoned at a village inn by her coach driver. Ignoring the warnings of the locals, she accepts the offer of Baroness Meinster to spend the night at her castle. There, she sees the Baronesss handsome son, who she is told is insane and kept confined. When she sneaks into his quarters to meet him, she is shocked to find him chained by his leg to the wall, and when he tells her that his mother has usurped his rightful lands and pleads for her help, she agrees to steal the key to his chain from the Baroness bedroom. Discovering this, the Baroness is horrified yet when her son appears, she obeys him and accompanies him back to his rooms. Later, Marianne discovers the Baroness servant Greta, who has also taken care of the Baron since he was a baby, in hysterics She shows Marianne the Baroness corpse, and the puncture marks in her throat. Marianne flees into the night. ........

Source: Wikipedia