Write a short story about a person who discovers a hidden room in their house. The story should include a plot twist and a clear resolution at the end.

Alice was a housewife living in a small suburban town. One day, she was looking around her house and noticed a small door near the back of the garage. Curious, she opened the door and stepped into a hidden room. She was amazed to find that it was filled with books and other items that were locked away in the room. Alice was fascinated and started to explore the room, reading the books and looking at the items. 

She soon realized that the room was actually a secret passageway that connected the garage to a secret underground city. Alice was amazed to find out that the city was filled with all sorts of strange and magical creatures, hidden away from the rest of the world. She spent days exploring the city and learning more about the magical creatures. Eventually, she was able to return home and share her discovery with the rest of her family. 

Alice's discovery of the secret city and the magical creatures was a life-changing experience for her and her family. It was a truly magical moment that changed the course of her life.