Victorique and Kujo find themselves in the middle of a bloody feud between the Ministry of the Occult and the Royal Science Academy of Saubure. In a train headed toward disaster, how will the friends save themselves and everyone aboard?

As Victorique is escorted into a room below the theater filled with old articles and clippings, the Marquis demands she solve the unsolved murder of Coco Rose, the Queen. Kujo aids her by independently rounding up clues around a missing dancer.