"File No. 113" by Emile Gaboriau is a detective novel set in mid-19th century Paris. The story centers on a mysterious robbery at the bank of M. Andre Fauvel, where a significant sum of three hundred and fifty thousand francs has vanished without a trace. As the investigation unfolds, the primary suspect emerges as Prosper Bertomy, the bank’s head cashier, leading to a tense exploration of loyalty, betrayal, and the pursuit of justice. The opening of the novel introduces the aftermath of the robbery, revealing the chaotic confusion in the bank, where clerks react in disbelief as Prosper announces the loss. The narrative also highlights the dynamics between Prosper and his employer, M. Fauvel, as suspicion begins to cloud the atmosphere. As the police become involved, a public spectacle arises around the crime, with Prosper grappling not only with his innocence but also with his own tumultuous feelings, especially when a love interest, Nina Gypsy, becomes involved. This intricate setup foreshadows a gripping tale of intrigue, as the motives behind the theft come into question and the stakes grow ever higher. (This is an automatically generated summary.)