La Maison Nucingen is a satirical tale on the mechanisms of high finance, built as an overheard conversation. The narrator, dining in a restaurant, hears through the partition four journalists and bons vivants — among them Bixiou and Blondet — cynically discoursing on how the banker Baron de Nucingen, of German origin, built his colossal fortune. Far from honest labor, this fortune rests on cleverly orchestrated "suspensions of payment": Nucingen deliberately provokes fraudulent liquidations, endangers his creditors and small shareholders, then buys back at a vile price the securities he has caused to collapse, pocketing enormous profits at the expense of those naive enough to trust him. The guests recount how, through these repeated and unpunished maneuvers, the banker has not only consolidated his empire but also made the fortune of Eugène de Rastignac, become his client and accomplice in social ascent. What in the eyes of the law remains irreproachable is in reality only a legalized theft, and it is this hypocrisy of triumphant capital that Balzac denounces with biting irony. Through the form of the conversation heard from afar, the author shows the complacency and the mocking admiration that these swindles inspire in the world of journalism and business, where success effaces scruple. The tale, brief and sharp, is one of the major pieces of Balzac's critique of the reign of money and speculation under the July Monarchy. It completes the portrait of Baron de Nucingen, a recurring figure of the cycle, and illuminates the underside of Rastignac's enrichment. La Maison Nucingen exposes, with an almost prophetic lucidity, the mechanics of modern financial fortunes and the amorality of nascent big capitalism.