in the victorian london and the botanist irwin molyneux ( michel simon ) and his wife margaret molyneux ( françoise rosay ) be bankrupt but still keep the appearance due to the successful crime novel write by irwin under the pseudonym of felix chapel . their cook have just leave the family and when irwin snoopy and hypocrite cousin archibald soper ( louis jouvet ) that be in campaign against the police story of felix chapel invite himself to have dinner in irwin house . margaret decides to keep the farce of their social position secretly cook the dinner and while the clumsy irwin justify her absence tell the bishop soper that she have just travel to the country to meet some friend . however soper suspect of irwin and call the scotland yard and assume that his cousin have poison his wife . irwin and margaret decide to hide the truth to avoid an exposition of their financial situation and move to a low budget hotel in the chinese neighborhood and get into trouble . drôle de drame ou létrange aventure de docteur molyneux be a hilarious theatrical comedy of farce and mistake . most of the character be hypocrite and greedy and lazy or simply incompetent and the situation they get involve be silly and naive but very funny . in spite of have irrelevant flaw in the plot and this film be a great entertainment . my vote be eight . title ( brazil ) represent família exótica ( exotic family ) .