埃及女王克利奥帕特拉（Ursula Herwig 配音）和凯撒大帝打赌，将在3个月内建造一座宏伟的宫殿。克利奥帕特拉把这项任务交给了建筑师爱狄费斯，并下令如果在规定时间内没能完成任务，他将被投进鳄鱼池。

Denis, a poor student in philosophy, works as a night porter in the Paris market of Les Halles in order to pay for his studies. Constantly weary, he falls asleep and dreams of a beautiful girl in white, Irène, with whom he falls in love.

To teach a lesson to his young wife who dreams of the famous "voiceless singer", a husband enters a radio station and manages to make people appreciate his voice.