Chic Parisian policewoman Capucine LeTellier plunges into a affair of gastronomic delights and bureaucratic intrigue to close a case that could make her career, or kill it. Jean-Louis Delage, president of automotive giant Renault, has been found dead in the freezer of Le Diapason, a three-star restaurant. Capucine is uniquely suited to the case, as her husband Alexandre is a food critic. In between dining with Alexandre at Paris' finest eateries, Capucine struggles to win the respect of her new squad of detectives, and crack both the case and the guarded secrets of the restaurant staff.