In the story, a student arrives in a small town looking for a quiet place to stay while preparing for his examination. Making light of the local superstitions, he moves into an old mansion where a notorious hanging judge once lived. He is comfortably settled and engrossed in his work when, in the middle of the night, he is visited by an enormous rat with baleful eyes. As soon as the giant rat appears, other rats that infest the old house fall silent. When the great rat returns on the second night, the student begins to feel uneasy. He soon learns why the locals fear the Judge's House.