[ minor spoiler follow ] steve allen opine that topical humor about serious event might be find by many to be acceptable base on the formula represent tragedy plus time equal comedy . 1939 before the german assault on poland be hardly a fun period and subsequent event and include the blitzkrieg ( follow the sitzkrieg ) which take germany to the channel and result in the heroic evacuation at dunkirk and give the world the sicken spectacle of a supine france prostrate it honor before the nazi conqueror . the stuff of romance and comedy and a big dollop of serious drama . yep . director jean paul rappeneau and with a well match and outstanding cast and creates in bon voyage a pastiche of event and scene from history and from imagination that be hugely entertaining . viviane denver ( the sloe eye and beautiful isabelle adjani ) be france top actress a war cloud gather over europe ( what an overused cliche and sorry ) . a veteran self venerate bedhopper with many affair to her credit and her inner motivation seem to be whatever be good for viviane be good for . viviane ) . follow a premiere of her late film after which a minister in the incompetent reynaud administration and jean etienne beaufort ( gerard depardieu in an unusual role for him ) and signal his interest in her and she go home only to tiredly encounter an ex lover who doesn not understand the word no . she decisively resolve that issue but then frantically and histrionically enlist another former beau and the still besotted frederic ( gregory derangere ) and to help deal with the mess in her flat . frederic be a novelist in expectation . a comic accident that once again highlight and almost a a public service message and the importance of work windshield wiper put frederic in jail on most serious charge . fortunately the breakout of the german from their static position force a wholesale transfer of prisoner to the south of france but our boy escape and make his way there privately rather than a a ward of the state . the panic and fear in france a the german sweep to victory be well portray and a new twist enter the story . who should frederic encounter but the truly gorgeous young research assistant and camille ( virginie ledoyen ) who be accompany the obligatory jewish refugee scientist and professor kopolski ( jean marc stehle ) . kopolski have some bottle of heavy water he need to get to england . of course the german musn not latch on to this vital ingredient for you know what ( this part be pure fiction there be never any heavy water in france in 1940 just perrier ) . and camille be so winsome as well a dedicate . what next . peter coyote a a suppose french journalist and alex winckler . be tip off a to his name . he really an officer in the abwehr ( german military intelligence represent a spy ) . and he use to bed viviane too ( and want a reprise of their affair ) . apparently the kind kopolski be the only major male character who doesn not want to have it off with the actress . what follow be a series of adventure and mishap that be seamlessly integrate to produce a very fast paced and enjoyable film . partly a tribute to and a bit of a spoof on casablanca and this be be a remarkably funny movie ( except for the heavy nazi bit ) . isabelle adjani deserve kudos for the best portrayal i have see in year of an adorably cute total narcissist with few if any redeeming feature . and depardieu and disloyal to reynauld and ready to jump ship and join the traitor and petain and be convince a a man whose ardor for viviane exceed his diluted sense of duty to the republic . a a human be in power at a critical moment in french history and beaufort be mundanely vile . not show in too many theater and bon voyage should be available for purchase or rental soon . see it . positive .