In Transylvania, the 140 year-old vampire Karmina flees from the castle of her father on her wedding day arranged by her parents with Vlad. She travels to Montreal to meet her aunt Esmeralda, who is an ancient and powerful vampire that has broken her relationship with the Baron and the Baronne. Soon she learns that Esmeralda has developed a potion that temporarily transform vampires in human again and she imposes that Karmina must use the potion if she wants to stay in Canada with her. Karmina uses the potion and falls in love with the organist Phillipe, who loves Bach. Meanwhile, the Baron asks Vlad to travel to Canada and bring Karmina back, and he turns the costumer officer Ghislain Chabot into a vampire to help him.