With a shipment of counterfeit banknotes waylaid, and their boss in jail, two small-time hoods, Bruno and Vincent, find themselves forced - they really can't stomach each other - to dognap two canines who have been trained... to sniff out counterfeit money! From now on they have to spend their days and nights with the mischievous mutts, unaware that Marie, their charming neighbour (who's just crazy about dogs) is none other than a feared undercover cop...