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The first book of the series tells about the strange disappearance of the Marquis, the heir to the old duke. It is talked about everywhere, but it turns out to be not so easy to find him. The event is overgrown with new details, clues and dark mysteries... And then Enola Holmes suddenly finds herself trapped in the adventure and immediately gets down to business. Will she unravel this tangle? Will she find the "ends" of such a cunning confusion?