The old, abandoned house loomed ominously over the street. Its peeling paint and broken windows told stories of neglect and disrepair. But for 17-year-old Sarah, it represented a mystery waiting to be unraveled. She had always been fascinated by the eerie structure and its secrets. So when she stumbled upon an old key in her grandmother's attic that seemed to match the lock on the house's front door, she knew she had to investigate.