Cynthia is a horror film about the 'perfect' couple and their desperate obsession to have a child which descends into a terrifying dark comedy.Cynthia is a horror film about the 'perfect' couple and their desperate obsession to have a child which descends into a terrifying dark comedy.Cynthia is a horror film about the 'perfect' couple and their desperate obsession to have a child which descends into a terrifying dark comedy.