Inmate Adèle Charki gets a chance at a new life and takes a job as a concierge at the luxurious Parisian hotel "Citadel." This job is part of a reintegration program led by the influential director Édouard Galzain. Once in the world of luxury, Adèle quickly realizes that a brutal power struggle is hidden behind the glittering facade. The intrigues involve not only employees and honored guests but also external criminal networks. Adèle's relationship with Édouard takes a dangerous turn, transforming into a psychological game. In an environment of total manipulation, she must show resilience to maintain her freedom and survive.