Benjamin leaves Silvère do all his tasting while he's invited to write an article and give wine expert advice at doc René Grimaud's rehab clinic's program from alcohol addicts. Dealing with gendarmes commandant Caubère, a police acquaintance recently transferred to this most prestigious Bordeaux region, Benjamin is first to find the long-missing MD, while one of his patients is found murdered. His lover France, whose buddy Macha implored help, joins his undercover investigation.