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Minnie, a kind and diligent girl, leaves her sick mother and lame sister to find work. She stumbles upon the home of twelve dwarfs, who are delighted when she cleans their messy house. She agrees to be their housekeeper during their fairy housekeeper's holiday and performs her duties with great care. One day, tempted to leave some dust under the rug, her conscience pricks her until she cleans it, revealing twelve gold pieces as a reward for her faithfulness. Minnie returns home with the gold, providing for her family and learning the importance of thoroughness in all tasks.