A woman who is unfairly institutionalized at a Paris asylum plots to escape with the help of one of its nurses. Based on the novel 'Le bal des folles' by Victoria Mas. A woman who is unfairly institutionalized at a Paris asylum plots to escape with the help of one of its nurses. Based on the novel 'Le bal des folles' by Victoria Mas. A woman who is unfairly institutionalized at a Paris asylum plots to escape with the help of one of its nurses. Based on the novel 'Le bal des folles' by Victoria Mas. A woman who is unfairly institutionalized at a Paris asylum plots to escape with the help of one of its nurses. Based on the novel 'Le bal des folles' by Victoria Mas.