A young woman arrives in Paris where she finds a job as a waitress in bar next on Avenue Montaigne that caters to the surrounding theaters and the wealthy inhabitants of the area. She will meet a pianist, a famous actress and a great art collector, and become acquainted with the "luxurious" world her grandmother has told her about since her childhood.

Grace Dalrymple Elliot is a British aristocrat trapped in Paris during the French Revolution. Determined to maintain her stiff upper lip and pampered life despite the upheaval, Grace continues her friendship with the Duke of Orléans while risking her life and liberty to protect a fugitive.

In the morning, two friends, a producer and an actor, discover the corpse of a young woman who accompanied them the previous night. The shooting of the day is not going to go as planned at all.