Rosa la Rose is known throughout Les Halles as the most gorgeous prostitute in the district. Every customer wants her, and she is willing to accommodate their needs. In spite of the fact that her pimp is a kind and giving man, there is not much information available regarding Rosa's existence. Julien, a young man, is the first person she ever meets, and she immediately falls in love with him. But will it be worthwhile for her to sacrifice all for a crazy love?