The new Lars von Trier film Nymphomaniac: Volume I is the confessional tale of Joe (Charlotte Gainsbourg), a traumatized, shame-filled, hypersexual woman. We first encounter her lying in an alley in a pool of her own blood. She is discovered there by Seligman (Stellan Skarsgård), a kindly man who takes her in and nurtures her with hot tea, a warm bed, and an empathetic set of ears. To him, Joe conveys her lifelong history of sexual acting out. What a lot of the people who see this film will likely wonder is: How realistic is this movie? Do women like Joe really exist?