ル・ミストラル - 鏡の中に消えた男

On a certain evening, a lot of human drama is taking place around a resort hotel. First, the only daughter of the president of an industrial conglomerate (Cybele Rosenthal) has become engaged to Francois, one of the rising young men in her father's company. Next, a mysterious assassin known as Mistral has been hired to kill Rosenthal by his secretary, Claude.