What is The exposition for three skeleton key?

The story begins in New Orleans, where a young woman named Clementine discovers three unique skeleton keys hidden within an old, dusty bookshelf. Each key is intricately crafted and engraved with mysterious symbols, piquing Clementine's curiosity. She embarks on a journey to uncover the secrets behind these keys, leading her down a path fraught with danger, excitement, and unexpected revelations.