"Both the experienced police inspector Mr. Lestrade and the special consultant Mr. Sherlock Holmes have reached the same conclusion. The horrific sequence of these events is the work of a MADMAN and not an ordinary criminal. No other theory can explain what happened." Someone is destroying statues of Napoleon by smashing them, and the police have no idea why. Fortunately, Holmes and Watson are willing to help. However, even they cannot imagine that these minor crimes will lead them to a great adventure!