Elly Vandenberg is a Belgian interior designer with a huge international reputation. When Frances Smith sees the pictures of her country house in a magazine, she falls instantly in love and decides to travel, uninvited, to visit it.When Frances arrives, Elly and her friends are gathering for the weekend to celebrate the opening of a local classical music festival at which Elly plans to reunite her friend Andrée with Andrée's former lover, Max, a famous orchestral conductor.When Max mistakes Frances for “Madame Françoise” - a wealthy Englishwoman with a fabled collection of rubies - she adopts the role in order to become part of the glamorous world by which she has been captivated. However, Frances’s impersonation spirals out of her control and triggers a chain of events that lead to disaster. Will Frances successfully achieve the lifestyle she so desires, or is her dream nothing more than a house of cards that will lead to broken hearts and shattered lives?