Ma part du gâteau (2011)

France, a factory worker, lives with her three daughters in Dunkirk. The factory where she worked has been closed, leaving France and all of her workmates without a job. She decides to go to Paris to look for work. There she finds a cleaning job at the home of a rich man, Steve, whose world is radically different from her own. As their paths keep crossing, she discovers that her employer played a part in closing the factory in Dunkirk...