The Lost Ambassador begins: There was no particular reason why, after having left the Opera House, I should have retraced my steps and taken my place once more amongst the throng of people who stood about in the entresol, exchanging greetings and waiting for their carriages. A backward glance as I had been about to turn into the Place de l'Opera had arrested my somewhat hurried departure. The night was young, and where else was such a sight to be seen? Besides, was it not amongst some such throng as this that the end of my search might come?

Genre: Mystery