在这部名侦探凯瑟琳剧情片中,美国副总统带着女儿凯瑟琳·透纳（夏洛特·凯特·福克斯 饰）来到日本进行国事访问，在父亲工作期间，凯瑟琳打算在日本好好游玩一番。日本外务大臣滨口幸夫（里见浩太朗 饰）和副总统关系友好，他担任了凯瑟琳的护卫工作，并将其接受给自己的外甥京洛大学准教授滨口一郎（谷原章介 饰）。凯瑟琳在美国曾结识了名叫小川麻衣子（笛木优子 饰）的女孩，她想联系对方却始终没有回音，之后更发现麻衣子死于一起杀人事件。为了追查真相，果敢率性的女孩在一郎的帮助下展开了调查……
本片根据山村美纱的同名人气推理小说系列改编。
Katherine Turner initially accompanied her father, Vice President of the United States, on his official trip to Japan but decided to stay longer to study the Japanese art of flower arrangement for her business back in the States. Yukio Hamaguchi, Minister of Foreign Affairs and also a very good friend of Katherine's father, assigns his nephew Ichiro to escort Katherine during her stay. Ichiro is halfhearted at first but when Katherine's old friend Maiko becomes the victim of a murder case, Katherine and Ichiro start to reveal their talent as brilliant detectives by untangling clues and solving the case together.
日本花道界的艺术谋杀（有剧透）。
