Luisa works as a couples therapist and has a loveless relationship with her husband Richard, but at the same time she is having an affair with Richard's boss Leopold. As everything slowly threatens to get out of hand, she wakes up one morning to find a second Luisa next to her, who looks just like her but, unlike the original, is somewhat naive and completely relaxed. Luisa christens her doppelganger Ann. At first, everything seems perfect, because while Ann lives out her needs and stays with Richard, Luisa can finally spend more time with Leopold. But as Richard slowly takes a liking to Ann, Luisa realizes that she is not happy with the new situation either. A serious conflict begins to brew between the two halves of her personality...