Darrac, a reporter for Paris-Inter, and Nicole, a journalist for Le Soir-Express, know each other, compete and end up falling in love over the three police investigations they follow for their newspapers.
A singer who has become voiceless is forced to leave his wife and children. He will become famous again as a clown.
During the Second World War, Georges Masse undergoes a dangerous mission by taking secret documents from Tangiers to London.