Charles comes out of prison after serving five years for attempted robbery, and his wife expects him to go legit, but he immediately starts plotting to rob the Cannes casino. He hires two assistants: Francis, a young man he met in prison, and Louis, Louis the humble mechanic who is almost entirely honest. The plan is bold and dangerous: Charles sends [Francis] to the casino first, to craft a cover as an affluent high-roller and to find a path to the backstage area that leads to the elevator shaft down to the basement vault where the casino’s takings are stored. The route hinges on gaining intimate access and slipping through security unseen.
To shore up his ruse, [Francis] begins a romance with dancer Brigitte. The glittering atmosphere of luxury feeds his ego, and he gets so captivated by the lifestyle he’s simulating that he starts ignoring Charles’s messages, threatening to derail the entire heist unless he can stay on track. Meanwhile, [Louis] is torn between loyalty and fear. He tells Charles he will forgo his own share, worried that the lure of luxuries and the temptation to cross lines will drag him into a world he wants no part of.
The night of the robbery arrives, and [Francis]—still caught between affection and ambition—breaks up with Brigitte but continues to watch her perform. After the show, he slips backstage, descends through the casino’s ventilation system, and finally reaches the elevator shaft. He penetrates the counting room, subdues the head cashier and his assistants, and signals Charles to move in. The two men load the money into bags—an enormous haul, described in the tale as a billion francs—and make their escape. The money is hidden in a swimming pool’s locker room, waiting to be stashed away or spent.
But the morning after reveals cracks in the plan. Charles unexpectedly orders [Louis] to take a train out of town and insists he and [Francis] meet immediately. He shows [Francis] the front page of a newspaper—the photo that captured him the night before—telling him he is now too risky and must vanish from the resort. He orders the bags to be brought to him in an outdoor swap near the pool, intent on reclaiming his cut. [Francis] retrieves the bags but finds police everywhere and the pool area heavily surveilled. He overhears a cashier describing how he recognizes the special suitcases that were used in the heist, a detail that shatters any illusion of anonymity.
Desperation takes over. In a tense moment of panic, [Francis] hides the bags inside the pool and watches as one bag bursts open. The money pools to the surface, glimmering and buoyant, as Charles and Francis stand by, powerless to stop the inevitable unraveling of their carefully laid plan. The fleeting dream of the flawless heist gives way to the stark, chaotic reality of consequences, leaving both men to confront the fallout of their choices.
