After a serious mistake, the former sensation of the judicial police in Lyon, Anne Capestan, is named head of mysterious "4th brigade": a unit in which all the alcoholics, the depressive and other misfits, who fill the police force but cannot be laid off, are sent. It is however thanks to her new team that the commanding officer will solve the most important investigation of the moment, a case mixing several steerings, an ace of disguise and the unexplained murder of a Maltese.
—Happy_Evil_Dude