After his boating accident, Arthur's parents leave him to recover with his strict Aunt Agathora in her broken-down house. The first night, Arthur awakes to his aunt's shouting and investigates. She catches him creeping up the stairs to check out the noise. While she lectures him, he observes her holding a human arm. Frightened, Arthur tries to run away, but fails. His Aunt punishes him with grueling yard work and making him wear ridiculous outfits...