Chateauneuf-sur-Valone, Mayor Félix de Ponte is preparing for his re-election, hoping to beat the far-right candidate Jean-Luc Molment Martinez. But when a video revealing his extra-marital affair is broadcast on the networks, Félix's life will be turned upside down. Devastated, betrayed and humiliated, his wife, Rose, decides to react and runs against him in the elections.
Shy cop Charlie, descendant of Sherlock Holmes, lives with grandfather until a car accident changes her. Her newfound energy and brilliance as a cop lets her embrace life and solve crimes with Watson-like partner Samy.