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.

1946 film

A man is shot In the hotel of an imaginary South American country. Clarence and Montès, two inspector students, must solve this murder, but they don't know that dead guy is the USA public enemy No.1.