Demy’s first fictional film, based on a short play by Jean Cocteau, in which he already shows his obsession with the subject of love and his interest in the chromatic effects that were to be so typical later on in his career.
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As has been pointed out (moderators?), the guy isn't Jean Marais, he's a bit of rough called Angelo Bellini, who apparently makes but this single (silent) contribution to cinema. He is, however, extremely 'bel'. Cocteau wrote this playlet for Edith Piaf. Her peformance is on Youtube. Interesting contrast. The film is gorgeous, but no sympathy is generated for the female protaganist, and the effect is stifiling.