 Once inside the castle's main living room, Frederick falls asleep reading "Rebecca of Sunnybrook Farm" and dreams that his grandfather and ancestors encourage him to build a monster ("Join the Family Business").He is awakened by Inga, and they, followed shortly by Igor, find the secret entrance to his grandfather's laboratory behind a book case by following eerie violin music.They discover the mysterious violin player to be Frau Blucher, who tells of her past with the late Victor for whom she was more than just a housekeeper ("He Vas My Boyfriend").