Christophe Merignac a youngESCP graduate with a law degree but still unemployed gets a job as a concierge in a luxury building. Using charm and cunning he makes himself indispensable. He makes a fortune and marries a young pretty and rich tenant whom he happily deceives. The conclusion is bittersweet: he's "made it" but he doesn't love anyone. What's more a young concierge who looks like a brother has just arrived in his building.