In his desirable mansion ,daddy ,a widower,50,wants to marry again with a twenty-year old brunette;of course both his children disagree and they tell him so :as he does not want to hear about it,they decide to show how ludicrous he is to marry a girl who could be his daughter;so they both pretend they are in love with daddy's best friend (his editor,47) and with a Roumanian woman (nearing 40);but,you would not believe it,they are caught out at their own game and they really fall in love.The desperate old man has got to do something about it,helped by an absolutely unbearable grandma named "Minouche" who has just met again her old beau .