Wilsberg’s client Peter and his wife Natalie are embroiled in a custody battle over their daughter Franzi. Peter alleges Natalie is romantically involved with the case expert. But Wilsberg learns she is seeing someone else, leading to an unavoidable clash between Wilsberg and his friend Ekki, as they find themselves on opposing sides in this war of the roses. While Wilsberg represents Peter, Ekki is in a relationship with Natalie. Tessa attempts to mediate, but she too faces Ekki’s wrath in the process.