to believe Nicholas's story. Francis tells Catherine that Nicholas appears to feel "definite guilt" regarding Elizabeth's death. In response, Catherine talks about Nicholas's traumatic childhood. Their father was Sebastian Medina, a notorious agent of the Spanish Inquisition. When Nicholas was a small child, he explored the forbidden torture chamber when his father entered the room with his mother, Isabella, and Sebastian's brother, Bartolome. Hiding in a corner, Nicholas watched in horror as his father repeatedly hit Bartolome with a red-hot poker, screaming "Adulterer!" at him. After murdering Bartolome, Sebastian began torturing his wife slowly to death in front of Nicholas. Dr. Leon later informs Catherine and Francis that Isabella was not tortured to death; instead, she was entombed behind a brick wall while still alive. He explains, "The very thought of premature interment is enough to send your brother into convulsions of horror." Nicholas fears that Elizabeth may have been interred prematurely. The doctor tells Nicholas that "if Elizabeth Medina walks the corridors of this castle, it is her spirit, not her living self." Nicholas believes that his late wife's vengeful ghost is haunting the castle. Elizabeth's room is the source of a loud commotion, now ransacked and her portrait slashed. Her beloved harpsichord plays in the middle of the night. One of Elizabeth's rings shows up on the keyboard. Francis accuses Nicholas of planting the evidence of Elizabeth's "haunting" as an elaborate hoax. Nicholas insists that Francis open his wife's tomb. They discover Elizabeth's putrefied corpse frozen in a position that suggests she died screaming after failing to claw her way out of her sarcophagus. Nicholas faints. That night, Nicholas– now on the verge of insanity– hears Elizabeth calling him. He follows her ghostly voice down to her tomb. Elizabeth rises from her coffin and pursues Nicholas into the torture chamber, where he falls down a flight of stairs. As Elizabeth gloats over her husband's unconscious body, her lover and accomplice, Dr. Leon, appears. They had plotted to drive Nicholas mad so that she could inherit his fortune and the castle. Leon confirms that Nicholas "is gone", his mind destroyed by terror. Elizabeth taunts her insensate husband. Nicholas begins laughing hysterically while his wife and the doctor recoil in horror. Believing himself to be Sebastian, he replays the events of his mother and uncle's murders. Nicholas seizes Elizabeth, repeats his father's promise to Isabella to torture her. He attacks