Hugo Llor, a 12-year-old boy who spends most of his time on the streets. His day is also spent in the shipyards and his dream is to become a shipbuilding craftsman, although his fate is uncertain. Hugo's life is not easy, he is a very lonely boy an

戴蒙德上校被告知停止监视黑帮头子布朗,因为这种监视耗费过多的金钱,并且没有取得效果。戴蒙德唯有尝试通过布朗的女友来获得针对布朗的证据。

本片改编自日本推理小说家江户川乱步1928年的同名小说。法国教授阿历克斯·法约尔（伯努瓦·马吉梅 Benoît Magimel 饰）是研究神秘的日本黑暗侦探小说家平田一郎的专家。阿历克斯自己的侦探