The unremarkable life of Rose Muddle suddenly began to take such turns that it was time to believe in magic. As soon as Rose was accepted as a junior maid into Miss Templeforth's house, it turned out that Rose was not an orphan, but Miss Templeforth's niece and should become the next keeper of the legendary amber amulet. Then the girl made a friend - a real Indian prince, a fan of Sherlock Holmes and his investigative methods. And then it turned out that someone was hunting for the amulet. And this someone is ready to do anything just to take possession of the pendant. How to figure out the mysterious villain? The detective skills of a new friend will come in handy...