A schoolteacher (Robert Dhéry) and his wife (Colette Brosset) use the couple's new car for a class field trip in this routine situation comedy. Soon the children are lost in this story written and directed by Jean L'Hôte taken from his own novel.

愚比王，又译作乌布王，是先锋戏剧家雅里创作戏剧，本片是在其过世后拍摄出来。《愚比王》以童稚般的天真和荒诞轰动一时，后续雅里又创作出《愚比龟》《愚比囚》，创立了啪嗒学，对后面的达达和荒诞派戏剧产生了一定影响。