Question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: How many young girls were murdered? Movie plot title: Daughters of Darkness Movie plot: A recently married young couple, Stefan (John Karlen) and Valerie (Danielle Ouimet), are on their honeymoon. They check into a grand hotel on the Ostend seafront in Belgium, intending to catch the cross-channel ferry to England, though Stefan seems oddly unenthused at the prospect of introducing his new bride to his mother. It is off-season, so the couple are alone in the hotel. Alone, that is, until the sun sets and a mysterious Hungarian countess, Elizabeth Bathory (Delphine Seyrig) arrives in a vintage Bristol driven by her "secretary" Ilona (Andrea Rau). The middle-aged concierge at the hotel swears that he saw the Countess at the same hotel when he was a little boy. The pair may have a connection to three separate gruesome murders of young girls that occurred in Bruges the previous week. On a day trip, Stefan and Valerie witness the aftermath of a fourth. At the hotel, the countess quickly becomes obsessed with the newlyweds, and the resulting interaction of the four people leads to sadism and murder. Ilona, Stefan, then the Countess all die, leaving Valerie, now transformed into a creature similar to the Countess, stalking new victims.
Answer:
Four