Alarma en el expreso was released in the year 1938。Alarma en el expreso is also called as The Lady Vanishes, Geveret Ne'elmet, Une, Femme disparait, Desaparecida!, Dame verschwindet, Dama zniknela, Dama desaparece, Alarma a l'exprés, Dam försvinner。

Travellers on a trans-European train are delayed for a night due to bad weather in an unnamed country. The passengers cram into the small village hotel where socialite Iris Henderson meets an old governess called Miss Froy. Shortly after the journey restarts, Miss Froy disappears.