Answer the following question: Please answer the following question about this movie plot. If it's un-answerable, please output "No answer". Question: How does the vampire queen die? Movie plot title: Queen of the Vampires Movie plot: Three strangers--Thomas, Marc, and Brigitte--are coming to cure four sisters (for want of names, I shall call them Catherine, Nicole, Sylvie, and Marie) of their vampirism. Legend has it that vampire hunters ran a sword through Catherine's heart during the reign of Louis XV, and villagers raped Nicole and blinded Sylvie with a pitchfork. But they neglected to cut off their heads, and so the sisters survived. Today, they live on a manor, surrounded by crosses and protected from the villagers. Thomas, Marc, and Brigitte don't buy the legend. They think the sisters are simply humans who have been driven mad by years of persecution and villagers who think of them as monsters. Curing them will require only dispelling the sisters' belief that they are vampires. The first step is to burn all the crosses around the house. Catherine succumbs to Thomas' promise to cure her, but Marie feels that this is a betrayal and that Catherine must die to protect the other three. Catherine and Marie stage a sword fight, but it is Marie who gets stabbed. The next morning, Catherine goes off with Thomas to see if she can get over her fear of sunlight (she can't).With the crosses removed from around the house the sisters are free to roam. This causes fear among the villagers, and they gang up to search for and kill the sisters. When Nicole goes wandering in the village, the villagers get her. They also kill Brigitte, who happened to be standing nearby. The villagers then storm the manor. Sylvie is wounded. Thomas tells Catherine that he doesn't think she is a monster and asks for 'the kiss of the vampire.' Catherine obliges. When Thomas comes to, he has been turned into a vampire. So the legend was true! To escape the angry villagers, Catherine takes Thomas through a secret passage leading to the beach. Marc follows and, knowing that Thomas is now a vampire, he shoots both Thomas and Catherine, leaving their dead bodies on the beach.As the lord of the manor checks the dead bodies of Thomas and Catherine, he is surrounded by a group...
Answer:
By drinking poisoned blood.