Kathrin is almost 40 and the mother of two teenagers. Since breaking up with her ex, who wants to sneak back into the family, the journalist has been in a relationship with the much younger Luca. He is not a "toyboy", but the love of her life. Unfortunately, there is one problem: Kathrin is not getting her money's worth in bed. To avoid offending Luca, she fakes an orgasm for him. But that's no longer possible: an Asian remedy for skin rashes means that Kathrin can no longer lie. Her life goes c...